Number of directed multigraphs including self-loops on n vertices and n edges.
A362387
Number of directed multigraphs including self-loops on n vertices and n edges.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =31a(4) =198a(5) =1270a(6) =8838a(7) =63419a(8) =475796a(9) =3697876a(10) =29793899a(11) =248312750a(12) =2139071800a(13) =19023864211a(14) =174495408060
External references
- oeis: A362387