Number of labeled loop-graphs covering {1..n} such that it is possible to choose a different vertex from each edge (choosable).
A369140
Number of labeled loop-graphs covering {1..n} such that it is possible to choose a different vertex from each edge (choosable).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =23a(4) =193a(5) =2133a(6) =29410a(7) =486602a(8) =9395315a(9) =207341153a(10) =5147194204a(11) =141939786588
External references
- oeis: A369140