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%I #8 Oct 30 2014 05:03:46
%S 261,4287,408726,22778013,1474369337,91433307852,5739848041311,
%T 359075051396597,22485455035768752,1407650415969195223,
%U 88129886999002396853,5517489584652726976452,345432121911152692673353
%N Number of (n+1) X (4+1) 0..2 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..2 introduced in row major order.
%C Column 4 of A238912.
%H R. H. Hardin, <a href="/A238909/b238909.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2:
%e ..0..1..0..0..2....0..1..2..1..2....0..1..2..0..2....0..1..2..1..2
%e ..1..0..2..1..0....2..0..1..0..1....1..0..1..1..0....1..2..1..2..1
%e ..0..2..1..0..1....0..1..0..1..0....2..1..0..0..2....0..1..2..1..0
%Y Cf. A238912.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 07 2014
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