Number of 4-regular 3-connected planar graphs with n vertices having an Eulerian tour for which no two consecutive edges are incident with the same face.
A308588
Number of 4-regular 3-connected planar graphs with n vertices having an Eulerian tour for which no two consecutive edges are incident with the same face.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =5a(6) =17a(7) =40a(8) =145a(9) =355a(10) =1264a(11) =3931a(12) =12999a(13) =44727
External references
- oeis: A308588