Number of labeled rooted polygonal cacti (Husimi graphs) with n nodes.
A035087
Number of labeled rooted polygonal cacti (Husimi graphs) with n nodes.
Terms
- a(0) =1a(1) =0a(2) =3a(3) =12a(4) =135a(5) =1440a(6) =20895a(7) =342720a(8) =6585705a(9) =142430400a(10) =3449279295a(11) =92207808000
External references
- oeis: A035087