A054381 Number of n-node connected planar graphs with minimum degree at least 2.
0, 0, 1, 3, 10, 49, 332, 3178, 39267, 578786, 9502259
Offset: 1
Links
- Simon Caron-Huot, Frank Coronado, and Beatrix Mühlmann, Determinants in self-dual N=4 SYM and twistor space, arXiv:2304.12341 [hep-th], 2023. See p. 23.
- Eric Weisstein's World of Mathematics, Planar connected graph.
Formula
Inverse Euler transform of A049370. - Falk Hüffner, May 12 2019
Extensions
a(8)-a(11) from formula by Falk Hüffner, May 12 2019