Number of (n+1)X(4+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..4+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.
A233300
Number of (n+1)X(4+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..4+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.
Terms
- a(0) =34a(1) =232a(2) =1986a(3) =21957a(4) =239330a(5) =2694620a(6) =30257296a(7) =338790472a(8) =3761876941a(9) =41492573432
External references
- oeis: A233300