Number of binary matrices with distinct nonzero rows, a total of n ones and each column with the same number of ones.
A331643
Number of binary matrices with distinct nonzero rows, a total of n ones and each column with the same number of ones.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =81a(4) =541a(5) =4803a(6) =47293a(7) =552009a(8) =7088365a(9) =102697083a(10) =1622632573a(11) =28141672449a(12) =526858348381
External references
- oeis: A331643