Number of (5+1)X(n+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..5+1} nondecreasing.

A233370

Number of (5+1)X(n+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..5+1} nondecreasing.

Terms

    a(0) =57a(1) =849a(2) =10477a(3) =117318a(4) =1206656a(5) =11689997a(6) =106244229a(7) =895749726a(8) =6977171013a(9) =50507900590

External references