login
A372892
Total number of unlabeled simple maps on the sphere with n vertices.
0
1, 1, 2, 6, 25, 179, 2014, 31178, 580555, 12046072, 267836680, 6258809085, 151983244000
OFFSET
1,3
COMMENTS
Computed by Brendan McKay.
a(n) is the same as the total number of distinct spherical drawings of connected graphs with n vertices.
CROSSREFS
Cf. A372853 (uniquely embeddable connected graphs).
Cf. A372854 (largest numbers of planar embeddings for connected graphs).
Sequence in context: A178087 A109286 A009466 * A348067 A032479 A029988
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, May 19 2024
STATUS
approved