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%I #4 Feb 16 2014 06:09:59
%S 8291,102396,1268436,17612024,235951750,3242667656,44334957288,
%T 616683845628,8455956865056,116500230730864,1604871798632138,
%U 22234964614324948,306090461372206604,4218782034139271708
%N Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 3 of A237951
%H R. H. Hardin, <a href="/A237948/b237948.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..2..2..2....2..3..0..3....0..2..1..1....2..2..1..1....1..2..1..2
%e ..1..2..1..3....1..1..1..0....2..1..3..0....1..3..0..3....3..2..2..3
%e ..3..0..2..1....2..2..3..1....1..0..1..0....2..0..2..1....0..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 16 2014