A380627 Number of sensed 5-regular combinatorial maps with 2n vertices.

1, 29, 44106, 549530780, 20295421909475, 1648575609240648557, 249793950749168438672432, 63401746172946552016801544036, 24987461004098373175802500801970565, 14453024762638492834399423828614955417596, 11746112443686354689351672116979783313870949792

Offset: 0

Author

Andrew Howroyd, Jan 29 2025

Keywords

• nonn

Comments

There are no 5-regular combinatorial maps with an odd number of vertices.

Links

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

Crossrefs

With interspersed zeros column 5 of A380626.

Cf. A380623 (rooted).