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A322917 a(n) is the number of rooted 5-regular maps with 2n vertices on the torus. 0
120, 125280, 120800160, 113579366400, 105549958379520, 97452182769223680, 89611995665911173120, 82178813933957614141440, 75217069050598359088496640, 68747100051073934332046868480 (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 I: Enumeration of Rooted and Sensed Maps, arXiv:1709.03225 [math.CO], 2017.

E. Krasko, A. Omelchenko, Enumeration of r-regular maps on the torus. Part I: Rooted maps on the torus, the projective plane and the Klein bottle. Sensed maps on the torus, Discrete Mathematics, Volume 342, Issue 2, February 2019, Pages 584-599.

CROSSREFS

Sequence in context: A157879 A008978 A077692 * A184127 A068296 A123380

Adjacent sequences:  A322914 A322915 A322916 * A322918 A322919 A322920

KEYWORD

nonn,more

AUTHOR

Evgeniy Krasko, Dec 30 2018

STATUS

approved

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Last modified May 28 21:37 EDT 2020. Contains 334690 sequences. (Running on oeis4.)