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%I M5342 #10 Apr 04 2021 13:40:39
%S 70,2330,32130,271285,1655800,7997850,32332170,113568455,355905030
%N Number of tree-rooted toroidal maps with 3 faces and n vertices and without isthmuses.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H T. R. S. Walsh and A. B. Lehman, <a href="http://dx.doi.org/10.1016/0095-8956(75)90050-7">Counting rooted maps by genus. III: Nonseparable maps</a>, J. Combinatorial Theory Ser. B 18 (1975), 222-259.
%Y Cf. A006436.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_
%E Name clarified by _Andrew Howroyd_, Apr 04 2021
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