A317900 - OEIS

A317900

Number of nX6 0..1 arrays with every element unequal to 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

0, 9, 4, 54, 75, 167, 502, 2064, 5877, 17008, 53512, 175313, 540037, 1715436, 5431253, 17142134, 54068313, 171199743, 541229806, 1711178754, 5411163506, 17113807354, 54113456322, 171137431243, 541218521011, 1711575715106, 5412770092466

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OFFSET

1,2

COMMENTS

Column 6 of A317902.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..1..0..1..1..0. .0..1..0..0..1..0. .0..1..0..1..1..1. .0..1..1..0..1..0

..1..0..0..1..0..1. .1..1..1..1..1..1. .1..0..0..0..0..0. .1..0..0..1..1..0

..0..0..1..0..0..1. .0..1..1..0..0..0. .0..1..1..0..0..1. .0..0..1..0..1..1