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%I #5 Dec 18 2015 18:18:31
%S 4,256,141046,761845474,44626165058452
%N Number of n X n 0..3 arrays with row sums unimodal and column sums inverted unimodal
%C Diagonal of A223663
%e Some solutions for n=3
%e ..1..0..2....0..0..1....0..0..1....0..1..0....3..0..2....2..1..3....2..0..2
%e ..3..2..3....2..0..1....2..0..3....3..3..2....1..2..2....3..2..1....0..2..2
%e ..0..1..2....2..1..2....0..2..2....3..1..1....2..2..0....0..2..2....3..1..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 25 2013
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