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

A232756

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

Terms

    a(0) =86a(1) =561a(2) =561a(3) =2799a(4) =14229a(5) =2799a(6) =11642a(7) =268376a(8) =268376a(9) =11642a(10) =42136a(11) =3995189a(12) =21120269a(13) =3995189a(14) =42136a(15) =135738a(16) =49913678a(17) =1275396109a(18) =1275396109a(19) =49913678a(20) =135738a(21) =398282a(22) =534194881a(23) =63029738888a(24) =318928128419a(25) =63029738888a(26) =534194881

External references