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%I A060349
%S A060349 81,5824,328125,16901136,847425747,42630905856,2186213819427,115293750000000,
%T A060349 6283133610195442,354769407810994176,20781472563720847342,1263485180096661430272,
%U A060349 79727340621643066406250,5219469342167970210643968,354305349685394263423480746
%N A060349 n^(n+2)*(n^2 - 1)*(n + 3)*(n + 2)*(5*n - 7)/5760.
%C A060349 For n >= 3 a(n) is the number of nonequivalent primitive meromorphic 
               functions with one pole of order n on a Riemann surface of genus 
               2.
%D A060349 B. Shapiro, M.Shapiro and A.Vainshtein - Ramified coverings of S^2 with 
               one degenerate branching point and enumeration of edge-ordered graphs, 
               Amer. Math. Soc. Transl., Vol. 180 (1997), pp. 219-227
%H A060349 Harry J. Smith, <a href="b060349.txt">Table of n, a(n) for n=3,...,200</
               a>
%o A060349 (PARI) { for (n=3, 200, write("b060349.txt", n, " ", n^(n + 2)*(n^2 - 
               1)*(n + 3)*(n + 2)*(5*n - 7)/5760); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jul 04 2009]
%Y A060349 Cf. A007830, A060348.
%Y A060349 Sequence in context: A053108 A016888 A006312 this_sequence A036354 A016948 
               A089683
%Y A060349 Adjacent sequences: A060346 A060347 A060348 this_sequence A060350 A060351 
               A060352
%K A060349 nonn
%O A060349 3,1
%A A060349 Noam Katz (noamkj(AT)hotmail.com), Mar 30 2001

    
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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