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A278207 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) (1,-1) (1,0) or (1,1), with upper left element zero.

%I A278207 #4 Nov 15 2016 12:25:48
%S A278207 0,2208,251260,23732454,2644587148,297169006604,33056811286568,
%T A278207 3676498268449668,409137247202506544,45530553691308851854,
%U A278207 5066646847508250491070,563817868393293695820130
%N A278207 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) (1,-1) (1,0) or (1,1), with upper left element zero.
%C A278207 Column 7 of A278208.
%H A278207 R. H. Hardin, <a href="/A278207/b278207.txt">Table of n, a(n) for n = 1..210</a>
%e A278207 Some solutions for n=2
%e A278207 ..0..1..1..1..0..1..1. .0..1..0..0..0..0..1. .0..1..0..0..1..0..1
%e A278207 ..0..1..1..0..0..0..1. .1..0..0..0..1..1..0. .1..0..1..1..1..0..1
%Y A278207 Cf. A278208.
%K A278207 nonn
%O A278207 1,2
%A A278207 _R. H. Hardin_, Nov 15 2016