Consider the family of multigraphs enriched by the species of simple graphs. Sequence gives number of those multigraphs with n loops and edges.
A099701
Consider the family of multigraphs enriched by the species of simple graphs. Sequence gives number of those multigraphs with n loops and edges.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =101a(4) =1355a(5) =24733a(6) =597686a(7) =19975138a(8) =1157593462a(9) =177427216131
External references
- oeis: A099701