Number of (7*n) X 7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 2 ones in any row.
A188401
Number of (7*n) X 7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 2 ones in any row.
Terms
- a(0) =1a(1) =232a(2) =22054a(3) =902962a(4) =20758650a(5) =313568636a(6) =3444274966a(7) =29445929253a(8) =205617134345
External references
- oeis: A188401