Number of unsensed planar maps with n edges and without faces of degree 1 or 2.
A006393
Number of unsensed planar maps with n edges and without faces of degree 1 or 2.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =4a(4) =9a(5) =32a(6) =132a(7) =597a(8) =3064a(9) =17114a(10) =102274a(11) =643907a(12) =4219540
External references
- oeis: A006393