A348800 a(n) = number of unsensed genus 7 maps with n edges.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254118439668, 52148049818864, 5634797561708385, 426497331688178676, 25388940147173859412, 1265623233919838264624, 54940200059090328012148

Offset

0,15

Links

Table of n, a(n) for n=0..20.

Evgeniy Krasko and Alexander Omelchenko, Enumeration of Unsensed Orientable Maps on Surfaces of a Given Genus, arXiv:1712.10139 [math.CO], 2017, see Appendix Table 3.

Crossrefs

Column k=7 of A379439.

Cf. A238357 (rooted), A239921 (sensed).

Cf. A006387, A214814, A214815, A297880, A297881, A348798, A348801.

Sequence in context: A268846 A076254 A213689 * A015432 A034618 A226858

Adjacent sequences: A348797 A348798 A348799 * A348801 A348802 A348803

Keyword

nonn

Author

Michael De Vlieger, Nov 01 2021

Status

approved