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 1-9 of 9 results.

A185427 Number of (n+2)X3 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

6842284, 284037544, 8653394212, 212298419684, 4370405405266, 77657199293322, 1216284173329482, 17062128865116751, 217083576402029968, 2530473438240068012, 27249849558442300355, 272981324157512302120
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 1 of A185435

Examples

			Some solutions for 4X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..6....0..0..4....0..0..4....0..0..4....0..0..2....0..0..2....0..0..4
..0..4..4....2..7..3....2..6..1....2..4..4....0..4..2....0..7..2....2..5..6
..1..4..6....4..5..3....5..4..2....4..7..7....5..5..7....7..1..3....5..4..0

Links

Formula

Polynomial of degree 119, see link

A185428 Number of (n+2)X4 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

284037544, 21536560306, 1090205284029, 41910604337378, 1297535366114472, 33575010264022917, 745543958045415621, 14492443009379677098, 250496452202647761530, 3898612401674733619729, 55201391258522554476152
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 2 of A185435

Examples

			Some solutions for 6X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..1..5..7....0..0..6..6....0..1..5..5....0..0..6..7....0..1..4..6
..7..4..2..7....0..5..1..4....4..3..2..6....2..5..3..3....1..5..0..3

Links

Formula

Polynomial of degree 126, see link.

A185429 Number of (n+2)X5 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

8653394212, 1090205284029, 84722449466168, 4772160687307074, 209290512833668811, 7468756070356586903, 223694029250999654095, 5755145891541173071730, 129520045203909930078682
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 3 of A185435

Examples

			Some solutions for 4X5
..0..0..0..0..2....0..0..0..0..0....0..0..0..0..0....0..0..0..0..2
..0..0..0..0..5....0..0..0..0..0....0..0..0..0..6....0..0..0..0..4
..0..0..0..6..4....0..0..0..2..4....0..0..0..4..3....0..0..0..1..4
..0..0..4..2..5....0..0..0..3..7....0..0..4..5..2....0..0..4..2..5

Links

Formula

Polynomial of degree 133, see link

A185430 Number of (n+2)X6 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

212298419684, 41910604337378, 4772160687307074, 378372621022753476, 22687513754718781985, 1081599389409258559731, 42451419931252675522287, 1407901157465200331154523, 40264870455486645310499349
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 4 of A185435

Examples

			Some solutions for 4X6
..0..0..0..0..0..2....0..0..0..0..0..6....0..0..0..0..0..3....0..0..0..0..0..1
..0..0..0..0..0..6....0..0..0..0..1..2....0..0..0..0..0..6....0..0..0..0..0..4
..0..0..0..0..1..2....0..0..0..0..1..5....0..0..0..0..2..3....0..0..0..0..0..4
..0..0..0..0..1..4....0..0..0..0..2..2....0..0..0..0..3..6....0..0..0..0..7..3

Links

A185431 Number of (n+2)X7 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

4370405405266, 1297535366114472, 209290512833668811, 22687513754718781985, 1812817799965228636502, 112849363355150447528536, 5686283998453160141912882, 238618763396476742696570337
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 5 of A185435

Examples

			Some solutions for 4X7
..0..0..0..0..0..0..1....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..2....0..0..0..0..0..0..2....0..0..0..0..0..1..5
..0..0..0..0..0..3..1....0..0..0..0..0..1..2....0..0..0..0..0..4..0
..0..0..0..0..0..6..2....0..0..0..0..0..2..4....0..0..0..0..0..4..7

Links

A185433 Number of (n+2)X9 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

1216284173329482, 745543958045415621, 223694029250999654095, 42451419931252675522287, 5686283998453160141912882, 573443108636317829849582612, 45497009931939204350899288292
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 7 of A185435

Examples

			Some solutions for 4X9
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..1..1
..0..0..0..0..0..0..0..1..3....0..0..0..0..0..0..0..1..7
..0..0..0..0..0..0..0..1..7....0..0..0..0..0..0..0..4..0
..0..0..0..0..0..0..0..6..7....0..0..0..0..0..0..0..4..5

Links

A185426 Number of (n+2)X(n+2) 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

6842284, 21536560306, 84722449466168, 378372621022753476, 1812817799965228636502, 9008824580891342846197566, 45497009931939204350899288292
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Diagonal of A185435

Examples

			Some solutions for 4X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..4....0..0..0..0....0..0..0..0....0..0..0..4....0..0..0..4
..0..1..5..2....0..1..4..6....0..0..0..2....0..0..7..3....0..0..6..6
..0..3..7..5....0..2..7..1....2..4..6..5....0..5..4..5....0..7..2..0

A185432 Number of (n+2)X8 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

77657199293322, 33575010264022917, 7468756070356586903, 1081599389409258559731, 112849363355150447528536, 9008824580891342846197566, 573443108636317829849582612
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 6 of A185435

Examples

			Some solutions for 4X8
..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..3....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..1..6....0..0..0..0..0..0..1..2....0..0..0..0..0..0..0..4
..0..0..0..0..0..0..2..1....0..0..0..0..0..0..2..0....0..0..0..0..0..0..3..2
..0..0..0..0..0..0..2..2....0..0..0..0..0..0..4..2....0..0..0..0..0..0..6..7

A185434 Number of (n+2)X10 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

17062128865116751, 14492443009379677098, 5755145891541173071730, 1407901157465200331154523, 238618763396476742696570337
Offset: 1

Views

Author

R. H. Hardin Jan 27 2011

Keywords

Comments

Column 8 of A185435

Examples

			Some solutions for 4X10
..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..0..5....0..0..0..0..0..0..0..0..1..3
..0..0..0..0..0..0..0..0..1..2....0..0..0..0..0..0..0..0..1..6
..0..0..0..0..0..0..0..0..4..6....0..0..0..0..0..0..0..0..2..7
Showing 1-9 of 9 results.

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

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