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Number of (n+1)X(5+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal
0

%I #3 Dec 09 2013 04:39:48

%S 41,265,1461,6931,57941,216088,1661918,6745563,44238419,186635795,

%T 1129245723,4833595607

%N Number of (n+1)X(5+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal

%C Column 5 of A233408

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 09 2013