Consider the family of multigraphs enriched by the species of binary arborescences. Sequence gives number of those multigraphs with n edges.
A098342
Consider the family of multigraphs enriched by the species of binary arborescences. Sequence gives number of those multigraphs with n edges.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =63a(4) =958a(5) =19254a(6) =484735a(7) =14759358a(8) =530271461a(9) =22073719357
External references
- oeis: A098342