Number of (6*n) X 6 binary arrays with rows in nonincreasing order, n ones in every column and no more than 2 ones in any row.
A188400
Number of (6*n) X 6 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) =76a(2) =2578a(3) =44288a(4) =478711a(5) =3710272a(6) =22393101a(7) =111200600a(8) =472211360a(9) =1763603560a(10) =5916521021a(11) =18121655192a(12) =51328536740a(13) =135834620472a(14) =338676787932a(15) =801091475448
External references
- oeis: A188400