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

A232786

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

Terms

    a(0) =350a(1) =9819a(2) =242252a(3) =4641048a(4) =74536295a(5) =1009610447a(6) =11868407907a(7) =125633318086

External references