Number of triangle-free trivalent (or cubic) graphs with 2n labeled nodes.
A006903
Number of triangle-free trivalent (or cubic) graphs with 2n labeled nodes.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =10a(4) =3360a(5) =1829520a(6) =2010023400
External references
- oeis: A006903