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A361139
Number of rooted bipartite maps of genus 1/2 with n edges.
0
0, 1, 9, 69, 510, 3738, 27405, 201569, 1488762, 11043318, 82257890, 615092178, 4615882908, 34752865332, 262437282621, 1987229885913
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Table of n, a(n) for n=1..16.
Valentin Bonzom, Guillaume Chapuy, and Maciej Dolega, Enumeration of non-oriented maps via integrability, Alg. Combin. 5 (6) (2022) pp. 1363-1390, A.2.
CROSSREFS
Cf. A000257 (genus 0).
Sequence in context: A125372 A165147 A075045 * A081616 A299915 A287818
Adjacent sequences: A361136 A361137 A361138 * A361140 A361141 A361142
KEYWORD
nonn,more
AUTHOR
R. J. Mathar, Mar 02 2023
STATUS
approved

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Last modified March 9 18:19 EDT 2025. Contains 381603 sequences.
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