A303037 - OEIS

%I #4 Apr 17 2018 13:21:37

%S 8,31,56,234,703,2494,9882,38855,158630,674410,2921913,12955678,

%T 58544796,267600375,1235405800,5748447218,26880477835,126178539898,

%U 594019756766,2801839213779,13234169550602,62575594084426,296088878641741

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A303040.

%H R. H. Hardin, <a href="/A303037/b303037.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..1..0..1..0. .0..0..0..1..0. .0..0..1..1..0. .0..1..0..1..0

%e ..1..0..0..1..0. .0..1..0..1..1. .0..1..0..1..0. .0..0..0..1..1

%e ..1..0..0..0..0. .0..1..0..1..0. .0..1..0..1..0. .1..1..1..1..1

%e ..1..1..0..1..0. .1..0..0..1..0. .1..1..0..0..0. .1..0..0..1..0

%e ..1..0..1..1..0. .1..0..1..0..0. .0..1..0..1..0. .1..0..1..0..0

%Y Cf. A303040.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 17 2018