Number of 4-valent labeled graphs with n nodes.
A005815
Number of 4-valent labeled graphs with n nodes.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =15a(7) =465a(8) =19355a(9) =1024380a(10) =66462606a(11) =5188453830a(12) =480413921130
External references
- oeis: A005815