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A292109 Number of 5-regular maps with 2n vertices on the torus, up to orientation-preserving and orientation-reversing isomorphisms. 2
13, 3523, 2035550, 1421177130, 1055597813091, 812108624237833, 640086212334600319, 513617627395229165708, 417872608954804473932525, 343735500499416537210021983 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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.

CROSSREFS

Cf. A292405, A292468, A292110.

Sequence in context: A134159 A221851 A221924 * A337147 A070905 A180768

Adjacent sequences:  A292106 A292107 A292108 * A292110 A292111 A292112

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Sep 20 2017

STATUS

approved

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Last modified April 17 02:26 EDT 2021. Contains 343059 sequences. (Running on oeis4.)