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

A232780

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

Terms

    a(0) =29a(1) =110a(2) =338a(3) =898a(4) =2139a(5) =4667a(6) =9450a(7) =18046a(8) =32763a(9) =57062a(10) =95885a(11) =155991a(12) =246809a(13) =380608a(14) =573789a(15) =847563a(16) =1229220a(17) =1753394a(18) =2463291a(19) =3412633a(20) =4667474a(21) =6308592a(22) =8433051a(23) =11157362a(24) =14622029a(25) =18993121a(26) =24467077a(27) =31273565a(28) =39680313a(29) =50001421

External references