Number of nonequivalent n X n binary matrices with 3 ones in every row and column up to permutation of rows.
A333899
Number of nonequivalent n X n binary matrices with 3 ones in every row and column up to permutation of rows.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =22a(6) =550a(7) =16700a(8) =703297a(9) =38135272a(10) =2584332084a(11) =214050246975
External references
- oeis: A333899