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%I #4 Jan 11 2014 11:35:24
%S 2982,108648,3945383,123132965,3714091695,103423011021,2793351835442,
%T 72239093710651,1829055476890911,45202879299137156,
%U 1102383964087038967,26524099399460940827,633214304285732248830,15005899959785143753881
%N Number of (n+1)X(2+1) 0..3 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise
%C Column 2 of A235506
%H R. H. Hardin, <a href="/A235503/b235503.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..3..0..3....3..0..2....1..3..1....1..0..1....0..1..2....0..1..3....0..3..3
%e ..1..3..3....1..2..3....0..3..0....3..0..3....0..2..3....3..1..1....3..3..2
%e ..0..2..3....3..1..1....3..3..0....0..0..2....1..2..3....2..3..2....3..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 11 2014
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