Number of (4+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..4+1} nondecreasing.

A233369

Number of (4+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..4+1} nondecreasing.

Terms

    a(0) =39a(1) =364a(2) =2639a(3) =16113a(4) =91448a(5) =494606a(6) =2508451a(7) =11763318a(8) =51347073a(9) =210818945a(10) =820547818a(11) =3039632158a(12) =10755842167a(13) =36538214364a(14) =119695037477

External references