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A292109
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Number of 5-regular maps with 2n vertices on the torus, up to orientation-preserving and orientation-reversing isomorphisms.
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2
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..10.
E. Krasko, A. Omelchenko, Enumeration of r-regular Maps on the Torus. Part II: Enumeration of Unsensed Maps, arXiv preprint arXiv:1709.03230[math.CO], 2017.
E. Krasko, A. Omelchenko, Enumeration of r-regular maps on the torus. Part II: Unsensed maps, Discrete Mathematics, Volume 342, Issue 2, February 2019, pp. 600-614.
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CROSSREFS
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Cf. A292405, A292468, A292110.
Sequence in context: A134159 A221851 A221924 * A337147 A070905 A180768
Adjacent sequences: A292106 A292107 A292108 * A292110 A292111 A292112
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KEYWORD
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nonn,more
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AUTHOR
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N. J. A. Sloane, Sep 20 2017
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STATUS
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approved
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