Number of (n^2) X n binary arrays with rows in nonincreasing order and n ones in every column.
A188388
Number of (n^2) X n binary arrays with rows in nonincreasing order and n ones in every column.
Terms
- a(0) =1a(1) =3a(2) =39a(3) =4079a(4) =5442547a(5) =135029200594
External references
- oeis: A188388