Number of (n+1)X(6+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..6+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

A232830

Number of (n+1)X(6+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..6+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

Terms

    a(0) =76a(1) =1736a(2) =32279a(3) =706823a(4) =15664761a(5) =330749381a(6) =6633342932a(7) =126048354885

External references