Number of equivalence classes of nonzero regular 0-1 matrices of order n.

A000519

Number of equivalence classes of nonzero regular 0-1 matrices of order n.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =18a(6) =43a(7) =313a(8) =7525a(9) =846992a(10) =324127859a(11) =403254094631

External references