Number of unlabeled digraphs on n vertices such that every vertex has outdegree 4.
A185194
Number of unlabeled digraphs on n vertices such that every vertex has outdegree 4.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =40a(6) =35317a(7) =56150820a(8) =111359017198
External references
- oeis: A185194