Number of nonequivalent n X n binary matrices with an equal number of ones in every row and column up to permutation of rows.
A333891
Number of nonequivalent n X n binary matrices with an equal number of ones in every row and column up to permutation of rows.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =10a(5) =48a(6) =814a(7) =35048a(8) =4749917a(9) =1991695464
External references
- oeis: A333891