Number of labeled polygonal cacti (Husimi graphs) with n nodes.
A035088
Number of labeled polygonal cacti (Husimi graphs) with n nodes.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =3a(5) =27a(6) =240a(7) =2985a(8) =42840a(9) =731745a(10) =14243040a(11) =313570845a(12) =7683984000a(13) =207685374435
External references
- oeis: A035088