Number of labeled graphs on 2n nodes with degree set {1,2,3}, with multiple edges and loops allowed.
A228695
Number of labeled graphs on 2n nodes with degree set {1,2,3}, with multiple edges and loops allowed.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =47a(4) =521a(5) =7233a(6) =129443a(7) =2811701a(8) =73203561a(9) =2229207953a(10) =78389689559
External references
- oeis: A228695