Number of cograph contraction perfect graphs on n nodes.
A123415
Number of cograph contraction perfect graphs on n nodes.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =11a(4) =33a(5) =139a(6) =737a(7) =5220a(8) =47299a(9) =542268
External references
- oeis: A123415