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%I #4 Jan 11 2014 14:42:31
%S 2272,61080,1649707,32516127,636820654,9861273365,152479393753,
%T 1957874677935,25165909286162,277510995116690,3067337562969422,
%U 29771961183712488,289825441528124171,2521587145850085310
%N Number of (n+1)X(2+1) 0..3 arrays with 2X2 subblock sum of squares lexicographically nondecreasing rowwise and nonincreasing columnwise
%C Column 2 of A235521
%H R. H. Hardin, <a href="/A235519/b235519.txt">Table of n, a(n) for n = 1..177</a>
%e Some solutions for n=2
%e ..0..0..0....2..0..3....2..2..1....1..1..0....0..1..0....3..2..2....3..2..0
%e ..3..2..2....3..0..1....1..3..0....3..3..3....2..0..2....3..0..3....1..1..2
%e ..3..0..1....2..1..3....2..3..2....0..3..1....2..0..1....2..3..3....3..2..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 11 2014
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