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Number of 4Xn 0..3 arrays with row sums nondecreasing and column sums unimodal
0

%I #3 Mar 31 2013 05:26:06

%S 35,6627,1070499,145901795,17292618579,1830213565657,176495247198733,

%T 15745932467829042,1315113237261820410,103796589850715007818

%N Number of 4Xn 0..3 arrays with row sums nondecreasing and column sums unimodal

%C Row 4 of A224123

%e Some solutions for n=3

%e ..0..2..0....0..0..2....0..0..0....0..1..0....2..0..2....2..0..0....2..2..1

%e ..2..0..0....2..0..1....2..0..3....0..1..0....2..1..1....0..1..1....0..2..3

%e ..2..2..0....0..3..0....0..3..2....0..0..3....0..2..3....0..1..1....2..3..2

%e ..3..0..1....2..1..1....2..3..0....2..2..1....2..3..1....2..3..2....2..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 31 2013