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A286279 Number of quotients of ordinary hyperbolic triangle groups that act on a compact Riemann surface of genus n, up to isomorphism, duality/triality and reflection. 1

%I #14 Dec 14 2022 10:31:24

%S 11,25,28,31,33,35,33,75,73,47,56,72,41,84,76,113,62,116,56,142,93,44,

%T 99,172,73,108,170,132,99,123,75,300,103,105,167,252,62,122,185,319,

%U 114,147,84,237,214,68,158,445,137,216,159,191,154,327,162,397,155

%N Number of quotients of ordinary hyperbolic triangle groups that act on a compact Riemann surface of genus n, up to isomorphism, duality/triality and reflection.

%H Andrey Zabolotskiy, <a href="/A286279/b286279.txt">Table of n, a(n) for n = 2..101</a>

%H Marston Conder, <a href="https://www.math.auckland.ac.nz/~conder/">Home Page</a> (Contains tables of regular maps, hypermaps and polytopes, trivalent symmetric graphs, and surface actions)

%H Marston Conder, <a href="https://www.math.auckland.ac.nz/~conder/TriangleGroupQuotients101.txt">Quotients of triangle groups acting on surfaces of genus 2 to 101</a>

%Y Cf. A286272-A286278.

%K nonn

%O 2,1

%A _N. J. A. Sloane_, May 08 2017

%E Terms a(13) and beyond from Conder's file added by _Andrey Zabolotskiy_, Dec 14 2022

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Last modified May 1 11:30 EDT 2024. Contains 372170 sequences. (Running on oeis4.)