cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-10 of 12 results. Next

A249207 Number of length n+6 0..3 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

14336, 51200, 183516, 658448, 2363528, 8486156, 30475714, 109474166, 393232196, 1412652056, 5075187032, 18233890510, 65510631030, 235369064306, 845649181758, 3038313571704, 10916323664982, 39221255161200, 140918266479766
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Column 3 of A249212

Examples

			Some solutions for n=3
..0....0....2....2....0....2....0....2....2....2....2....2....0....2....0....2
..2....3....3....2....2....2....1....0....2....0....0....2....0....2....3....3
..2....1....0....2....2....2....2....2....2....1....2....3....0....0....2....0
..3....0....2....2....0....3....0....3....3....2....3....2....2....3....2....1
..1....2....0....0....2....0....1....3....0....2....2....2....1....0....1....0
..1....0....2....3....2....1....1....1....2....3....0....0....0....1....0....2
..1....0....3....0....0....2....3....1....1....0....0....1....3....0....2....3
..2....0....0....1....2....0....3....3....1....0....2....0....3....0....1....2
..2....2....3....2....2....3....2....2....3....1....0....1....2....3....3....2
		

A249208 Number of length n+6 0..4 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

67452, 294568, 1287632, 5630090, 24619804, 107662502, 470797744, 2058664560, 9001977388, 39365277268, 172144857638, 752792969116, 3291974345050, 14395810506738, 62952737744654, 275291694008054, 1203850204876356
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Column 4 of A249212

Examples

			Some solutions for n=1
..2....3....2....0....3....3....1....0....0....3....0....4....0....1....1....4
..1....0....3....4....2....4....4....4....3....1....0....3....2....4....4....2
..3....4....4....2....4....1....4....0....2....1....3....4....2....4....2....3
..4....2....0....2....3....3....1....1....2....3....2....4....0....4....4....1
..2....0....3....4....2....1....1....0....0....4....4....0....0....4....3....4
..2....3....0....3....0....1....1....3....3....3....4....2....2....4....0....2
..2....4....1....2....1....2....3....1....0....3....0....0....4....0....2....2
		

A249209 Number of length n+6 0..5 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

242494, 1267754, 6631348, 34695508, 181549572, 950035900, 4971575032, 26016562386, 136146815610, 712472439202, 3728460724848, 19511550499928, 102106757625448, 534339759748798, 2796279526923770, 14633349377034482
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Column 5 of A249212

Examples

			Some solutions for n=1
..1....0....3....3....0....1....1....1....3....0....3....0....3....0....0....3
..0....0....3....3....0....0....0....3....0....1....1....5....2....4....5....1
..2....1....4....2....4....4....5....5....1....4....0....2....0....0....3....5
..2....0....3....5....5....1....2....4....2....1....5....1....5....1....1....0
..3....5....2....0....2....2....5....5....4....0....0....1....3....5....3....3
..5....0....2....2....2....2....1....3....1....2....4....3....2....5....4....4
..2....0....5....2....4....5....4....2....1....0....3....1....1....5....0....4
		

A249210 Number of length n+6 0..6 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

714980, 4353482, 26526142, 161678612, 985612414, 6008974124, 36636435714, 223372525098, 1361915986824, 8303744023910, 50629052901620, 308693301728988, 1882156100884578, 11475844721645888, 69970325219439164, 426622040648813418
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Column 6 of A249212

Examples

			Some solutions for n=1
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..6....3....3....4....2....5....2....0....4....6....3....0....1....1....3....1
..3....3....2....1....5....2....3....6....4....3....6....0....6....4....1....3
..4....4....4....4....5....5....2....0....4....3....5....3....0....6....3....4
..4....4....4....3....2....5....6....2....0....1....2....4....0....1....6....1
..6....0....3....6....0....1....4....1....4....6....0....5....1....0....2....0
..0....4....4....6....3....2....0....6....5....3....6....5....0....4....4....0
		

A249211 Number of length n+6 0..7 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

1826748, 12777540, 89437990, 626273302, 4386401650, 30726981418, 215266489016, 1508222615012, 10567758194606, 74046470379458, 518835076829444, 3635440862473348, 25473405391334868, 178491926778647038
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Column 7 of A249212

Examples

			Some solutions for n=1
..0....4....0....4....4....4....4....4....4....4....4....4....4....0....0....0
..6....0....0....4....4....4....0....0....4....0....2....0....4....4....6....4
..4....2....0....6....0....2....0....2....0....0....4....0....2....6....0....2
..0....4....3....6....6....6....7....1....0....6....7....3....6....2....6....4
..1....6....0....7....7....6....3....1....4....6....2....4....5....0....4....3
..6....3....1....7....2....3....4....0....4....2....2....7....0....3....7....2
..3....7....2....5....1....4....6....0....6....2....6....5....5....1....2....3
		

A249213 Number of length 1+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

126, 1792, 14336, 67452, 242494, 714980, 1826748, 4173442, 8762390, 17110282, 31597020, 55472158, 93560894, 152043682, 239777076, 367458644, 550136314, 805205100, 1156638980, 1631284144, 2265657954, 3099326244, 4185802572
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Row 1 of A249212

Examples

			Some solutions for n=4
..4....3....1....1....1....1....2....4....2....0....4....3....1....3....2....3
..1....0....4....4....1....4....1....2....2....1....4....4....1....2....3....2
..4....1....4....0....3....3....4....2....4....2....2....2....1....1....4....2
..1....1....4....0....2....2....3....2....0....0....2....4....1....1....4....1
..2....4....1....0....3....4....4....1....1....2....2....0....0....2....3....4
..1....0....3....4....0....3....3....4....1....1....2....1....4....4....4....1
..3....4....2....2....0....0....0....3....0....2....1....2....1....2....3....3
		

A249214 Number of length 2+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

250, 4586, 51200, 294568, 1267754, 4353482, 12777540, 32910110, 77097762, 165865332, 335432460, 639208042, 1165096450, 2034488164, 3435664024, 5608125804, 8919812138, 13812228622, 20946412056, 31084523896, 45360185886
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Row 2 of A249212

Examples

			Some solutions for n=3
..2....2....2....2....3....2....0....1....3....2....2....0....2....0....1....2
..1....0....3....0....0....2....3....3....3....1....0....1....3....0....3....2
..2....3....2....0....1....0....1....1....0....0....1....2....1....0....3....1
..0....1....2....2....0....2....3....3....0....0....3....3....2....2....2....1
..3....2....3....1....1....0....2....0....0....0....1....0....1....3....0....2
..0....0....0....2....0....0....2....2....0....0....3....1....0....2....2....2
..0....2....0....3....3....2....2....0....1....1....1....2....1....2....0....0
..0....0....0....3....3....0....3....2....0....1....2....2....0....2....1....3
		

A249215 Number of length 3+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

496, 11874, 183516, 1287632, 6631348, 26526142, 89437990, 259680594, 678836386, 1608960332, 3563385010, 7370543098, 14518880248, 27241408064, 49261449504, 85646747520, 144718409622, 237078221134
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Row 3 of A249212

Examples

			Some solutions for n=3
..0....2....0....2....0....2....0....2....0....2....2....0....2....0....2....2
..2....1....0....3....0....2....2....1....3....2....1....3....2....0....0....1
..0....2....0....3....2....3....1....0....1....3....2....1....2....2....1....3
..1....0....1....0....3....3....3....1....1....3....3....0....3....0....1....1
..0....0....3....0....3....1....2....0....1....3....0....1....1....1....0....0
..0....0....2....3....1....2....2....0....2....1....1....3....1....1....3....2
..2....3....2....3....0....0....2....1....2....3....2....3....1....2....3....1
..0....0....0....0....0....0....1....2....0....1....2....2....1....0....2....3
..1....0....2....0....2....0....2....0....3....3....1....1....2....2....2....3
		

A249216 Number of length 4+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

984, 30876, 658448, 5630090, 34695508, 161678612, 626273302, 2049702248, 5979230646, 15612736530, 37868231726, 85016420930, 180991372636, 364878560018, 706567478056, 1308415445162
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Row 4 of A249212

Examples

			Some solutions for n=2
..0....2....1....2....2....1....0....0....0....0....2....0....1....2....2....1
..2....0....0....0....1....2....2....2....1....0....0....2....0....0....0....0
..1....2....0....0....2....2....2....2....1....2....2....2....0....1....2....2
..0....2....1....2....2....0....1....1....0....1....2....2....2....2....1....1
..0....2....0....1....1....1....1....1....0....0....2....2....0....2....1....2
..0....1....0....2....2....2....2....2....1....0....2....2....1....0....2....2
..1....2....2....1....1....2....0....2....0....1....1....1....0....1....0....1
..2....1....1....2....2....1....0....1....2....1....0....1....0....2....2....0
..1....2....0....0....1....1....0....0....1....1....2....1....2....2....1....1
..1....2....1....2....2....1....0....1....0....0....1....1....1....0....1....1
		

A249217 Number of length 5+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Original entry on oeis.org

1952, 80354, 2363528, 24619804, 181549572, 985612414, 4386401650, 16181960396, 52677240496, 151529682640, 402510784944, 980816185390, 2256668468018, 4888182757724, 10136422535096
Offset: 1

Views

Author

R. H. Hardin, Oct 23 2014

Keywords

Comments

Row 5 of A249212

Examples

			Some solutions for n=2
..1....0....0....0....1....1....2....1....2....0....1....1....1....1....0....0
..0....0....2....0....0....1....1....2....2....0....1....1....1....2....2....0
..0....1....0....0....2....2....1....1....2....1....1....0....2....0....0....1
..1....0....2....2....1....1....1....1....1....0....2....1....1....1....0....2
..0....0....2....1....0....1....1....0....2....1....2....0....2....0....0....2
..1....0....2....1....1....2....2....2....2....2....2....0....2....2....1....2
..0....2....1....2....0....2....1....2....0....0....1....1....2....2....0....2
..0....1....2....0....0....0....2....2....1....0....1....2....2....1....0....1
..1....1....0....2....1....2....1....2....0....0....0....1....1....2....1....0
..2....2....2....2....1....1....2....0....2....1....1....0....2....2....1....0
..1....2....0....1....1....0....0....0....2....0....2....1....1....0....1....1
		
Showing 1-10 of 12 results. Next