Number of labeled Hugenholtz diagrams with n nodes.
A064732
Number of labeled Hugenholtz diagrams with n nodes.
Terms
- a(0) =1a(1) =3a(2) =39a(3) =840a(4) =27300a(5) =1232280a(6) =73564470a(7) =5607372960a(8) =531209621880
External references
- oeis: A064732