Number of labeled non-planar 2-connected K_{3,3}-free toroidal irreducible graphs having n vertices.
A135380
Number of labeled non-planar 2-connected K_{3,3}-free toroidal irreducible graphs having n vertices.
Terms
- a(0) =1a(1) =0a(2) =420a(3) =37520a(4) =3656520a(5) =454406400a(6) =67651907400
External references
- oeis: A135380