Number of simple connected graphs on n nodes with diameter 2.
A241706
Number of simple connected graphs on n nodes with diameter 2.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =14a(5) =59a(6) =373a(7) =4154a(8) =91518a(9) =4116896
External references
- oeis: A241706