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A322917 a(n) is the number of rooted 5-regular maps with 2n vertices on the torus. 1

%I #6 Jan 11 2019 17:02:06

%S 120,125280,120800160,113579366400,105549958379520,97452182769223680,

%T 89611995665911173120,82178813933957614141440,

%U 75217069050598359088496640,68747100051073934332046868480

%N a(n) is the number of rooted 5-regular maps with 2n vertices on the torus.

%H E. Krasko, A. Omelchenko, <a href="https://arxiv.org/abs/1709.03225">Enumeration of r-regular Maps on the Torus. Part I: Enumeration of Rooted and Sensed Maps</a>, arXiv:1709.03225 [math.CO], 2017.

%H E. Krasko, A. Omelchenko, <a href="https://doi.org/10.1016/j.disc.2018.07.013">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</a>, Discrete Mathematics, Volume 342, Issue 2, February 2019, Pages 584-599.

%K nonn,more

%O 1,1

%A _Evgeniy Krasko_, Dec 30 2018

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