A293105 Number of 6 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 520, 30837, 1710994, 96199260, 5589631828, 328979478088, 19603705394914, 1178814839256659, 71387656909124036, 4347717462205577512, 266011573509307925450, 16337878757403766119544, 1006670823452543129707514

Offset

1,2

Comments

Row 6 of A293100.

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

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

Crossrefs

Cf. A293100.

Sequence in context: A351324 A183588 A168220 * A286977 A225999 A291998

Adjacent sequences: A293102 A293103 A293104 * A293106 A293107 A293108

Keyword

nonn

Author

R. H. Hardin, Sep 30 2017

Status

approved