Number of connected unlabeled digraphs with n nodes such that complement is also connected.
A054918
Number of connected unlabeled digraphs with n nodes such that complement is also connected.
Terms
- a(0) =1a(1) =1a(2) =10a(3) =180a(4) =9120a(5) =1520742a(6) =878908844
External references
- oeis: A054918