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.

A186907 Number of (n+2)X3 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

2066505, 59969593, 1276581035, 22000126445, 319741716426, 4028133387613, 44902749582723, 449959668016830, 4103914508092780, 34409633745323847, 267409041699567853, 1939370255679423718, 13202565796526137619
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 1 of A186915

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..3..3....0..0..2....0..3..3....0..1..5....0..0..0....0..0..1....0..0..2
..0..3..4....0..1..1....0..4..5....0..6..5....0..2..5....0..3..3....0..5..2
..0..6..6....3..2..1....2..3..3....6..4..6....3..3..5....0..5..4....6..0..0
		

Formula

Polynomial of degree 83 in n, see link.

A186908 Number of (n+2) X 4 0..6 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

59969593, 2974946682, 99241308567, 2536761070723, 52666517720011, 921058887545363, 13921822487031205, 185414592506642580, 2208956268019713255, 23828517723857362267, 235072125997423449023
Offset: 1

Views

Author

R. H. Hardin, Feb 28 2011

Keywords

Comments

Column 2 of A186915.

Examples

			Some solutions for 6 X 4
..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..1..4....0..1..5..6....0..0..2..5....0..1..3..6....0..0..3..4
..2..1..5..0....4..6..2..3....3..5..4..2....4..1..3..6....1..3..4..6
		

Crossrefs

Cf. A186915.

Formula

Polynomial of degree 89 in n, see link.

A186909 Number of (n+2)X5 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

1276581035, 99241308567, 4813465754996, 171334955820947, 4805827783188400, 110909004238159456, 2169936652932512523, 36804096662464163093, 550615265988952206164, 7367827886026471340866, 89189622390253052611607
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 3 of A186915

Examples

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

Formula

Polynomial of degree 95 in n, see link.

A186910 Number of (n+2)X6 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

22000126445, 2536761070723, 171334955820947, 8185872059408158, 300268014063911584, 8880688768983407407, 219019175194540430058, 4617630757685272558765, 84844963231516976756260
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 4 of A186915

Examples

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

Formula

Polynomial of degree 101 in n, see link.

A186911 Number of (n+2)X7 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

319741716426, 52666517720011, 4805827783188400, 300268014063911584, 14077041692560748494, 522748636954347087650, 15954040054059557650482, 411179480114108991321807, 9138537360691131917393508
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 5 of A186915

Examples

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

Formula

Polynomial of degree 107 in n, see link.

A186912 Number of (n+2)X8 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

4028133387613, 921058887545363, 110909004238159456, 8880688768983407407, 522748636954347087650, 23991605690718487651365, 893383694291331850798966, 27790825962428614280888055, 738601710673817085331465603
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 6 of A186915

Examples

			Some solutions for 4X8
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..5....0..0..0..0..0..0..0..5
..0..0..0..0..0..0..0..3....0..0..0..0..0..0..2..4....0..0..0..0..0..0..1..3
..0..0..0..0..0..0..2..4....0..0..0..0..0..0..6..2....0..0..0..0..0..0..3..6
..0..0..0..0..0..0..4..4....0..0..0..0..0..0..6..5....0..0..0..0..0..0..4..0
		

A186913 Number of (n+2)X9 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

44902749582723, 13921822487031205, 2169936652932512523, 219019175194540430058, 15954040054059557650482, 893383694291331850798966, 40128119810449322920431346, 1491377073810394581396929600
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 7 of A186915

Examples

			Some solutions for 4X9
..0..0..0..0..0..0..0..0..6....0..0..0..0..0..0..0..0..5
..0..0..0..0..0..0..0..2..3....0..0..0..0..0..0..0..0..5
..0..0..0..0..0..0..0..4..2....0..0..0..0..0..0..0..1..1
..0..0..0..0..0..0..0..5..2....0..0..0..0..0..0..0..1..6
		

A186914 Number of (n+2)X10 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

449959668016830, 185414592506642580, 36804096662464163093, 4617630757685272558765, 411179480114108991321807, 27790825962428614280888055, 1491377073810394581396929600
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Column 8 of A186915

Examples

			Some solutions for 4X10
..0..0..0..0..0..0..0..0..0..6....0..0..0..0..0..0..0..0..0..5
..0..0..0..0..0..0..0..0..1..4....0..0..0..0..0..0..0..0..0..6
..0..0..0..0..0..0..0..0..2..1....0..0..0..0..0..0..0..0..2..2
..0..0..0..0..0..0..0..0..5..5....0..0..0..0..0..0..0..0..6..6
		

A186906 Number of (n+2)X(n+2) 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Original entry on oeis.org

2066505, 2974946682, 4813465754996, 8185872059408158, 14077041692560748494, 23991605690718487651365, 40128119810449322920431346, 65662514004587268399842833783
Offset: 1

Views

Author

R. H. Hardin Feb 28 2011

Keywords

Comments

Diagonal of A186915

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..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..1..1..1..4....0..0..3..5....0..0..3..6....0..1..2..4....0..1..1..3
..3..4..6..6....5..6..0..6....1..5..3..6....4..6..1..0....0..1..4..1
		
Showing 1-9 of 9 results.