Number of labeled digraphs on [n] with exactly 1 in-node and exactly 1 out-node.
A361210
Number of labeled digraphs on [n] with exactly 1 in-node and exactly 1 out-node.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =15a(4) =588a(5) =83295a(6) =40993230a(7) =70413420511
External references
- oeis: A361210