Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing.

A232755

Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing.

Terms

    a(0) =561a(1) =14229a(2) =268376a(3) =3995189a(4) =49913678a(5) =534194881a(6) =5028662366a(7) =42441753755a(8) =325352545067

External references