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%I #4 Feb 06 2014 06:02:16
%S 7398,120650,1928204,33313192,564748168,9923274434,171975075815,
%T 3048207305436,53496852362572,954253356186506,16899638107089319,
%U 303052582868946042,5405825916182428737,97385557953332387791
%N Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal
%C Column 3 of A237315
%H R. H. Hardin, <a href="/A237311/b237311.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..3..0..0..3....0..1..2..2....2..0..1..2....2..1..2..3....2..2..1..0
%e ..3..0..3..0....2..3..3..1....1..1..2..2....3..3..3..3....1..3..3..2
%e ..1..0..3..0....3..1..0..3....1..3..1..2....3..2..1..2....2..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 06 2014