13620058

Appears in sequences

• T(n,k) = Number of (n+1) X (k+1) 0..2 arrays x(i,j) with row sums Sum_{j=1..k+1} x(i,j) nondecreasing, and column sums Sum_{i=1..n+1} i*x(i,j) nondecreasing.at n=29A233117
• Number of (2+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i*x(i,j), i=1..2+1} nondecreasing.at n=6A233119