A049369 Number of n-node planar graphs with minimum degree at least 1.
0, 1, 2, 7, 22, 109, 680, 6144, 72887, 1061063, 17540092, 314631443
Offset: 1
Crossrefs
Cf. A005470.
Extensions
a(12) from Sean A. Irvine, Aug 13 2021
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.