%I #4 Mar 09 2018 17:34:57
%S 8,981,39330,1387896,48279880,1693172810,59556673490,2093683166397,
%T 73570793306416,2585342220762941,90853207535884062,
%U 3192739038133777424,112198275062067123972,3942836730456260003891,138557934963625655483146
%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 7 of A300612.
%H R. H. Hardin, <a href="/A300611/b300611.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..0..1..0. .0..0..0..0..1..0..1. .0..0..0..1..1..0..0
%e ..0..1..1..0..1..0..1. .0..1..1..0..1..0..1. .0..1..1..0..0..1..0
%e ..0..0..0..1..1..0..1. .0..0..0..0..1..0..1. .0..0..0..1..0..1..0
%e ..0..1..0..0..0..0..1. .0..1..1..0..0..1..0. .0..1..0..1..1..0..0
%e ..0..1..0..1..1..0..1. .0..0..1..1..0..1..0. .0..1..0..0..1..1..1
%Y Cf. A300612.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 09 2018
|