Number of (7*n) X n binary arrays with rows in nonincreasing order and 7 ones in every column.
A188393
Number of (7*n) X n binary arrays with rows in nonincreasing order and 7 ones in every column.
Terms
- a(0) =1a(1) =8a(2) =410a(3) =154279a(4) =335279744
External references
- oeis: A188393