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%I #4 Nov 16 2016 12:09:47
%S 0,317,20736,1870365,157609938,13538466880,1158266740087,
%T 99182079495633,8491049196878995,726961954823301592,
%U 62238120572972036597,5328470518831632979210,456192709882426407920004
%N Number of nX7 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
%C Column 7 of A278280.
%H R. H. Hardin, <a href="/A278279/b278279.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0..1..1..0..0. .0..1..1..1..0..1..0. .0..1..1..1..0..1..1
%e ..1..1..0..1..0..0..1. .0..1..0..1..0..1..0. .0..1..0..0..0..1..0
%e ..1..0..1..0..0..1..1. .0..1..0..1..1..1..0. .0..1..0..1..1..0..0
%Y Cf. A278280.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 16 2016
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