Number of (5*n)X5 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.
A188412
Number of (5*n)X5 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.
Terms
- a(0) =46a(1) =1308a(2) =21965a(3) =252493a(4) =2181522a(5) =15083334a(6) =87171345a(7) =434626896a(8) =1914365683a(9) =7586544223a(10) =27443717856a(11) =91677539685a(12) =285511159634a(13) =835479072942
External references
- oeis: A188412