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 11 results. Next

A222504 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 4, 4, 35, 87, 496, 1335, 7552, 21382, 122942, 348597, 2045395, 5812073, 34558802, 98272393, 589386556, 1678849694, 10123122248, 28893573238, 174842616458, 500084523708, 3033764103592, 8694157659203, 52844583851218, 151707321284408
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Column 3 of A222509

Examples

			All solutions for n=3
..0..0..0....0..0..0....0..0..0....0..1..0
..0..0..1....0..0..0....1..0..0....1..1..1
..0..0..0....1..0..1....0..0..0....1..1..1

Links

A222505 Number of nX4 0..1 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

3, 3, 15, 84, 497, 2862, 15420, 86570, 484976, 2751326, 15597305, 89022483, 508390703, 2915183250, 16739260404, 96360825455, 555513635334, 3208071753051, 18550893260858, 107413402302763, 622649366897782, 3613180083184007
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Column 4 of A222509

Examples

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

Links

A222506 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

4, 10, 35, 423, 2066, 23678, 128889, 1529195, 8569032, 102004630, 577797690, 6918500106, 39468519264, 474774414486, 2721664132317, 32865146885501, 189103727308651, 2290577790555642, 13219410500639451, 160529083824632284
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Column 5 of A222509

Examples

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

Links

A222507 Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

4, 32, 170, 1753, 17674, 195968, 2220730, 25587208, 297738400, 3488244716, 41065342664, 485089112208, 5747074198174, 68246839505398, 812175659130854, 9682643419696866, 115625719032846238, 1382757381681066972
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Column 6 of A222509

Examples

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

Links

A222508 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

5, 44, 441, 8489, 81537, 1802656, 19892241, 473772613, 5455705052, 132847734428, 1556509083100, 38249750511090, 451888833065131, 11163258877769638, 132555800154675325, 3286688523503328223, 39169490256183059057
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Column 7 of A222509

Examples

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

Links

A222510 Number of 2Xn 0..1 arrays with exactly floor(2Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 0, 4, 3, 10, 32, 44, 176, 326, 888, 2076, 5275, 12306, 32324, 74284, 195959, 460498, 1189652, 2861016, 7307596, 17774488, 45231012, 110756056, 281073368, 692630902, 1752734824, 4342317676, 10967047059, 27278066490, 68820679380, 171685581996
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Row 2 of A222509

Examples

			All solutions for n=3
..0..0..1....0..0..0....0..1..1....0..0..0
..0..0..0....0..0..1....1..1..1....1..0..0

Links

A222511 Number of 3Xn 0..1 arrays with exactly floor(3Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 4, 4, 15, 35, 170, 441, 2192, 5416, 26660, 66209, 328121, 816736, 4074688, 10172187, 51053330, 127212627, 643151980, 1598614930, 8135779154, 20183768037, 103256080822, 255983883834, 1314494576457, 3259213240495, 16780895442470
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Row 3 of A222509

Examples

			All solutions for n=3
..0..0..0....0..0..0....0..1..0....0..0..0
..1..0..0....0..0..1....1..1..1....0..0..0
..0..0..0....0..0..0....1..1..1....1..0..1

Links

A222512 Number of 4Xn 0..1 arrays with exactly floor(4Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 11, 35, 84, 423, 1753, 8489, 39873, 200999, 988455, 5011027, 24887392, 126164927, 633230135, 3213998827, 16234077336, 82517378821, 418670560481, 2132042077379, 10852726670501, 55367063804357, 282538940546931, 1443897042955709
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Row 4 of A222509

Examples

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

Links

A222513 Number of 5Xn 0..1 arrays with exactly floor(5Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 8, 87, 497, 2066, 17674, 81537, 800040, 3877847, 39636760, 197167116, 2044535652, 10266459303, 107207411996, 541084890084, 5674279900642, 28738733251005, 302282496834886, 1535249200603440, 16185756541061498
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Row 5 of A222509

Examples

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

Links

A222514 Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Original entry on oeis.org

0, 44, 496, 2862, 23678, 195968, 1802656, 17117005, 168709746, 1694684254, 17289573440, 178062468561, 1845566511698, 19219604394050, 200763478955510, 2102763177782278, 22063214171071906, 231903259943200754
Offset: 1

Views

Author

R. H. Hardin Feb 23 2013

Keywords

Comments

Row 6 of A222509

Examples

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

Links

Showing 1-10 of 11 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.