Number of simple connected graphs with n nodes that are K_4 free and not integral.
A243327
Number of simple connected graphs with n nodes that are K_4 free and not integral.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =15a(5) =77a(6) =531a(7) =5597a(8) =95900a(9) =2784034
External references
- oeis: A243327