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%I #4 Nov 08 2016 12:29:23
%S 0,31808,23376048,25289030636,25411730935962,25821185682305524,
%T 26189441962786135952,26570542390954444938330,
%U 26955958647713837678415162,27347162598888601529381736910,27744012208691795925340321755540
%N Number of nX7 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
%C Column 7 of A278014.
%H R. H. Hardin, <a href="/A278013/b278013.txt">Table of n, a(n) for n = 1..47</a>
%e Some solutions for n=2
%e ..0..2..0..1..0..1..0. .0..1..2..0..1..0..0. .0..1..2..0..0..1..2
%e ..1..2..1..2..1..2..0. .2..2..0..1..2..2..1. .2..0..2..1..0..2..0
%Y Cf. A278014.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 08 2016
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