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^2*x(i,j), i=1..n+1} nondecreasing.

A233365

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^2*x(i,j), i=1..n+1} nondecreasing.

Terms

    a(0) =76a(1) =1043a(2) =19711a(3) =494606a(4) =11689997a(5) =270547199a(6) =5873283547a(7) =120044822528

External references