A232777 - OEIS

A232777

Number of (n+1)X(3+1) 0..2 arrays x(i,j) with row sums sum{j*x(i,j), j=1..3+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing

%I #3 Nov 30 2013 06:30:43

%S 387,9607,216153,4315199,77206290,1254183756,18751034097,261028967823

%N Number of (n+1)X(3+1) 0..2 arrays x(i,j) with row sums sum{j*x(i,j), j=1..3+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing

%C Column 3 of A232778

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2013