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 1-7 of 7 results.

A237329 Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

20692, 242644, 2870224, 36921568, 449909120, 5467718444, 67160833084, 873971263352, 10725570823166, 130884937973764, 1618592687351532, 21304964466254580, 262963526810931008, 3219057124873502360
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 5 of A237332

Examples

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

A237325 Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

81, 320, 1264, 5120, 20692, 82800, 332192, 1346016, 5439936, 21769152, 87340224, 353899264, 1430292992, 5723670528, 22964038912, 93049464832, 376061938688, 1504905191424, 6037857292288, 24465182810112, 98876703129600
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 1 of A237332

Examples

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

Formula

Empirical: a(n) = 288*a(n-4) -6720*a(n-8) +33536*a(n-12) for n>15

A237326 Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

320, 1660, 8588, 45996, 242644, 1279474, 6740992, 36117846, 190631336, 1005363146, 5297587660, 28385155912, 149821450268, 790147365438, 4163579409000, 22309054217762, 117750984236192, 621010645500502
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 2 of A237332

Examples

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

Formula

Empirical: a(n) = 886*a(n-4) -81785*a(n-8) +2512316*a(n-12) -31242554*a(n-16) +155011102*a(n-20) -288082700*a(n-24) +141692576*a(n-28) +6787392*a(n-32) for n>34

A237327 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

1264, 8588, 58296, 414268, 2870224, 19874388, 137663582, 978134492, 6780688008, 46959680920, 325344257654, 2311691261008, 16025622824382, 110986965737552, 768943917811452, 5463623395524888, 37876242151447786, 262316002867523352
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 3 of A237332

Examples

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

A237328 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

5120, 45996, 414268, 3988852, 36921568, 342809906, 3194951224, 31126440590, 290583883424, 2718308070358, 25526745822304, 251264218067140, 2361096895787828, 22217145196965248, 209833485159030416
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 4 of A237332

Examples

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

A237330 Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

82800, 1279474, 19874388, 342809906, 5467718444, 88161950500, 1426506722524, 24924114752042, 399514227564720, 6485003092055912, 105604722270477376, 1869515793878816134, 30082238553871757044, 491248578646070624902
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 6 of A237332

Examples

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

A237331 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Original entry on oeis.org

332192, 6740992, 137663582, 3194951224, 67160833084, 1426506722524, 30501541238324, 718935130828100, 15199431189676360, 324904095835599396, 6999537711305525208, 167548362675030132748, 3557989700562348802270
Offset: 1

Views

Author

R. H. Hardin, Feb 06 2014

Keywords

Comments

Column 7 of A237332

Examples

			Some solutions for n=1
..0..1..1..0..2..0..1..1....0..0..1..2..2..2..2..1....0..1..0..2..0..0..2..0
..2..1..0..1..0..0..2..0....2..2..0..1..2..0..1..2....0..1..1..1..2..2..1..1
		
Showing 1-7 of 7 results.