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%I #10 Jan 11 2019 19:16:02
%S 10,800,58000,4080000,283100000,19496000000,1336380000000,
%T 91320000000000,6226591000000000,423871680000000000
%N a(n) is the number of rooted 6-regular maps with n 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, pp. 584-599.
%K nonn,more
%O 1,1
%A _Evgeniy Krasko_, Dec 30 2018
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