A380628 Number of sensed 6-regular combinatorial maps with n vertices.

1, 5, 174, 26614, 10107019, 6605320523, 6579728772912, 9276594775469270, 17585361213957551946, 43146230949730084319048, 133038707207639820811320335, 503600964942920889570482778054, 2296079661132313737232568593302086, 12410968049799470734493011986934972606

Offset

0,2

Links

Andrew Howroyd, Table of n, a(n) for n = 0..100

Crossrefs

Column 6 of A380626.

Cf. A380624 (rooted).

Sequence in context: A354573 A123111 A346541 * A303154 A060070 A300590

Adjacent sequences: A380625 A380626 A380627 * A380629 A380635 A380636

Keyword

nonn,new

Author

Andrew Howroyd, Jan 29 2025

Status

approved