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%I #6 Dec 31 2023 15:45:38
%S 5360,56752,685244,9292680,134597244,2051387740,32420171928,
%T 527547020504,8787002245648,149199162038628,2573271092024688,
%U 44949130957009720,793203709353702320,14111627418400298736,252674070132372363880
%N Number of (n+1) X (3+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2 X 2 subblock equal.
%C Column 3 of A237299.
%H R. H. Hardin, <a href="/A237295/b237295.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..1..1..1....1..3..2..3....0..0..0..3....1..1..2..1....2..1..1..0
%e ..0..2..0..0....2..2..1..0....0..1..2..0....2..2..1..0....3..2..0..1
%e ..3..1..3..3....1..3..2..3....0..0..0..1....3..1..2..3....1..0..2..3
%Y Cf. A237299.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 06 2014
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