Number of (1+1)X(n+1) 0..2 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..1+1} nondecreasing.

A233050

Number of (1+1)X(n+1) 0..2 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..1+1} nondecreasing.

Terms

    a(0) =29a(1) =106a(2) =316a(3) =830a(4) =1957a(5) =4221a(6) =8521a(7) =16235a(8) =29432a(9) =51172a(10) =85789a(11) =139287a(12) =219940a(13) =338771a(14) =510152a(15) =752978a(16) =1091268a(17) =1555433a(18) =2183826a(19) =3023745a(20) =4133269a(21) =5583604a(22) =7460602a(23) =9867269a(24) =12927471a(25) =16787371a(26) =21618978a(27) =27625365a(28) =35043248a(29) =44147007

External references