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Number of rooted toroidal maps with n edges and no isthmuses.
3

%I #9 Jan 02 2022 16:09:00

%S 1,14,159,1680,17147,171612,1696491,16631840,162090756,1572801142,

%T 15210259585,146710561296,1412132981778,13569013500024,

%U 130199055578307,1247825314752768,11947157409479180,114288613130155608,1092495810452593564,10436544808441964352

%N Number of rooted toroidal maps with n edges and no isthmuses.

%H Andrew Howroyd, <a href="/A343093/b343093.txt">Table of n, a(n) for n = 2..100</a>

%Y Row sums of A343092.

%Y Cf. A343091.

%K nonn

%O 2,2

%A _Andrew Howroyd_, Apr 04 2021