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.

Previous Showing 11-13 of 13 results.

A293091 Number of 5 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 60, 4013, 126903, 3786544, 112687158, 3370860734, 101584123289, 3080052428762, 93872530904247, 2873222643510833, 88260410746680709, 2719519768455485871, 84016899402147182297, 2601591974148719198874
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 5 of A293087.

Examples

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

Crossrefs

Cf. A293087.

A293092 Number of 6 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 304, 31689, 1955375, 114271723, 6736259130, 400400301913, 24022615231872, 1451795434173743, 88257377665716728, 5391112388504592871, 330623156140657023518, 20344354254754073053900, 1255446507295181179756805
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 6 of A293087.

Examples

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

Crossrefs

Cf. A293087.

A293093 Number of 7 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 1420, 246743, 30064393, 3464680837, 405651046593, 48001754870966, 5741377234777552, 692287714517793203, 84012955651693381631, 10248181988944597335712, 1255426108983775803770706
Offset: 1

Views

Author

R. H. Hardin, Sep 30 2017

Keywords

Comments

Row 7 of A293087.

Examples

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

Crossrefs

Cf. A293087.
Previous Showing 11-13 of 13 results.