Number of binary matrices with n distinct columns and any number of distinct nonzero rows with 4 ones in every column and rows in decreasing lexicographic order.
A331655
Number of binary matrices with n distinct columns and any number of distinct nonzero rows with 4 ones in every column and rows in decreasing lexicographic order.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =272a(5) =64453a(6) =23553340a(7) =13241130441
External references
- oeis: A331655