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

A233047

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

Terms

    a(0) =106a(1) =1112a(2) =10029a(3) =76535a(4) =517022a(5) =3217676a(6) =18578380a(7) =100647587a(8) =516316181a(9) =2528508107a(10) =11904710641a(11) =54154100914a(12) =239082417572

External references