Number of labeled Eulerian 3-regular digraphs with n nodes.
A007105
Number of labeled Eulerian 3-regular digraphs with n nodes.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =44a(6) =7570a(7) =1975560a(8) =749649145a(9) =399035751464
External references
- oeis: A007105