A302739 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 2048, 85268, 3778433, 168799572, 7530280825, 336148647504, 15005851329729, 669868217032865, 29903422831135923, 1334911181586033610, 59591443914944392698, 2660207213782069872253, 118753666013501679372163

Offset

1,1

Comments

Column 6 of A302741.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..0..0..0..0..0. .0..0..1..1..0..0. .0..0..0..1..1..0. .0..0..0..1..1..0
..0..0..1..1..1..1. .0..0..0..1..1..0. .0..0..1..1..0..1. .0..0..1..0..1..1
..0..0..1..1..0..1. .0..0..1..0..0..0. .0..0..1..1..0..1. .0..0..1..0..0..1
..0..0..0..1..0..1. .0..0..1..1..0..1. .0..0..1..1..0..0. .0..0..1..1..0..1
..0..0..1..1..0..1. .0..0..0..1..1..0. .0..0..1..1..1..0. .0..0..1..1..1..0

Crossrefs

Cf. A302741.

Sequence in context: A298968 A299738 A317563 * A299659 A300213 A302745

Adjacent sequences: A302736 A302737 A302738 * A302740 A302741 A302742

Keyword

nonn

Author

R. H. Hardin, Apr 12 2018

Status

approved