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%I #4 Dec 01 2014 19:30:21
%S 13275,189129,3014066,55048995,1151715397,27005232676,687109914883,
%T 18427859055437,510268616367258,14398478349467699,410803016154228437,
%U 11796821936379895236,340059287206039260739,9824866995580418794877
%N Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to a nonzero multiple of 3
%C Column 4 of A251343
%H R. H. Hardin, <a href="/A251339/b251339.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A251339/a251339.txt">Empirical recurrence of order 41</a>
%F Empirical recurrence of order 41 (see link above)
%e Some solutions for n=2
%e ..0..1..2..1..1....2..2..3..3..3....0..0..0..1..3....0..0..2..0..0
%e ..2..0..3..0..1....2..0..1..2..1....3..0..3..2..3....1..2..2..2..1
%e ..3..1..2..1..1....2..2..3..3..3....3..0..0..1..3....0..3..2..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 01 2014
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