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A348802 a(n) = number of non-orientable genus 1 maps with n edges. 9
0, 1, 4, 19, 106, 709, 5356, 44558, 397146, 3716039, 35967272, 356784008, 3605014966, 36955965852, 383320824698 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Table of n, a(n) for n=0..14.
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 5.
CROSSREFS
Cf. A348803, A348804, A348805, A348806, A348807, A348808, A348809, A348810, A348811.
Sequence in context: A088129 A369109 A082030 * A052751 A367284 A249934
Adjacent sequences: A348799 A348800 A348801 * A348803 A348804 A348805
KEYWORD
nonn,more
AUTHOR
Michael De Vlieger, Nov 01 2021
STATUS
approved

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Last modified June 4 03:29 EDT 2024. Contains 373089 sequences. (Running on oeis4.)