T(n,k)=Number of (n+1)X(k+1) 0..1 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.
A232877
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.
Terms
- a(0) =7a(1) =14a(2) =14a(3) =25a(4) =45a(5) =25a(6) =39a(7) =130a(8) =130a(9) =39a(10) =57a(11) =311a(12) =650a(13) =311a(14) =57a(15) =81a(16) =637a(17) =2715a(18) =2715a(19) =637a(20) =81a(21) =112a(22) =1235a(23) =8988a(24) =21639a(25) =8988a(26) =1235a(27) =112a(28) =151a(29) =2314
External references
- oeis: A232877