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%I #4 Nov 14 2016 22:29:53
%S 0,136,13012,1075258,91270219,7737459027,656008970388,55620335387114,
%T 4715820197535009,399835065589298715,33900377809514573711,
%U 2874274212652455298123,243697940183994435905588
%N Number of nX4 0..3 arrays with every element plus 1 mod 4 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 4 of A278188.
%H R. H. Hardin, <a href="/A278185/b278185.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..2..3..1. .0..1..2..3. .0..1..2..0. .0..1..2..0. .0..3..0..2
%e ..1..1..0..2. .0..0..2..0. .2..0..3..1. .3..2..3..1. .1..2..1..3
%e ..0..0..1..3. .3..2..1..1. .3..1..0..2. .1..2..1..0. .3..0..2..1
%Y Cf. A278188.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 14 2016
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