Number of graphs with vertices labeled with positive integers summing to n.
A340022
Number of graphs with vertices labeled with positive integers summing to n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =7a(4) =22a(5) =71a(6) =319a(7) =1939a(8) =19790a(9) =377259a(10) =14603435a(11) =1144417513a(12) =176665721300
External references
- oeis: A340022