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.

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A284226 Number of 5 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Original entry on oeis.org

16, 212, 3224, 91260, 2417194, 68272108, 1970768869, 58014691963, 1729160628627, 52018078923533, 1575778726620949, 47999422848604301, 1468666472458499856, 45105520159013915517, 1389642013052702705342, 42928654746563598820849
Offset: 1

Views

Author

R. H. Hardin, Mar 23 2017

Keywords

Comments

Row 5 of A284222.

Examples

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

Crossrefs

Cf. A284222.

A284227 Number of 6 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Original entry on oeis.org

32, 751, 23218, 1317770, 69938626, 3945536189, 227677212684, 13395146804734, 798088158296644, 47995267845339818, 2906776115786801739, 177031214800487853095, 10830742854736642158031, 665123041622355811314077
Offset: 1

Views

Author

R. H. Hardin, Mar 23 2017

Keywords

Comments

Row 6 of A284222.

Examples

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

Crossrefs

Cf. A284222.

A284228 Number of 7 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Original entry on oeis.org

64, 2719, 170155, 19371893, 2058141264, 232036495984, 26772321109067, 3148948157013672, 375099683101859897, 45101225320947864321, 5461569534638135452419, 665104722603120565892383
Offset: 1

Views

Author

R. H. Hardin, Mar 23 2017

Keywords

Comments

Row 7 of A284222.

Examples

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

Crossrefs

Cf. A284222.
Previous Showing 11-13 of 13 results.