Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

A232829

Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

Terms

    a(0) =54a(1) =760a(2) =8898a(3) =111870a(4) =1366233a(5) =15664761a(6) =170427953a(7) =1758001316a(8) =17221574143a(9) =160878299711

External references