A302952 - OEIS

%I #4 Apr 16 2018 11:40:30

%S 8,2208,185810,17374552,1596912288,147310312318,13578993819785,

%T 1251888966185979,115412264434282781,10639969409929461395,

%U 980908241510917291141,90430818798138269376877,8336898786544158131204437

%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 7 of A302953.

%H R. H. Hardin, <a href="/A302952/b302952.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302953.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2018