Number of (n+1)X(2+1) 0..3 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.
A233054
Number of (n+1)X(2+1) 0..3 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) =517a(1) =12943a(2) =263629a(3) =4493649a(4) =67014557a(5) =897520231a(6) =10981954879a(7) =124582399369
External references
- oeis: A233054