%I #3 Dec 03 2013 07:56:02

%S 333,3132,55642,566933,7169782,74939353,839537894,8735284526,

%T 93454206487,969444236906,10189585915899

%N Number of (n+1)X(3+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal

%C Column 3 of A233031

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 03 2013