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%I #5 Aug 11 2014 22:46:10
%S 13893,946063,61286941,4202495253,287601819479,19789034062007,
%T 1361783640641509,93760075445980377,6455729965264521631,
%U 444524052413011284759,30608927413972838313369,2107673147756640534907525
%N Number of (n+1)X(4+1) 0..2 arrays with the maximum minus the minimum of every 2X2 subblock equal
%C Column 4 of A237945
%H R. H. Hardin, <a href="/A237941/b237941.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A237941/a237941.txt">Empirical recurrence of order 54</a>
%F Empirical recurrence of order 54 (see link above)
%e Some solutions for n=1
%e ..0..2..1..2..1....0..1..1..1..0....1..2..1..0..0....2..2..0..0..0
%e ..1..0..1..0..0....2..2..0..2..0....1..2..1..0..1....0..1..2..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 16 2014
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