%I #5 Feb 04 2014 05:10:51
%S 256,22960,9999802,50384979024,1265341553110578,228789901383673689174,
%T 221397526252157619725259427,1328440646465169308310698650263760,
%U 45372102198987511081849578962073926845151
%N Number of (n+1)X(n+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock equal
%C Diagonal of A237142
%H R. H. Hardin, <a href="/A237134/b237134.txt">Table of n, a(n) for n = 1..10</a>
%e Some solutions for n=2
%e ..1..3..1....3..2..2....3..1..1....1..2..1....3..1..3....3..1..1....0..3..0
%e ..3..2..3....1..3..3....3..3..3....2..3..2....2..3..1....1..3..3....3..3..0
%e ..0..3..1....2..3..0....0..1..3....1..2..0....0..3..1....2..3..0....3..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 04 2014
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