Search: id:A063819
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%I A063819
%S A063819 1,36,1260,44100,1543500,54022500,1890787500,66177562500,2316214687500,
%T A063819 81067514062500,2837362992187500,99307704726562500,3475769665429687500,
%U A063819 121651938290039062500,4257817840151367187500,149023624405297851562500
%N A063819 Growth series for fundamental group of orientable closed surface of genus 
               9.
%D A063819 P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 
               2000, p. 160, Sigma(Gamma_9, S_9; z).
%F A063819 G.f.: (1+x)*(1-x^18)/(1-35*x+35*x^18-x^19).
%Y A063819 Sequence in context: A001110 A064196 A060786 this_sequence A158700 A144128 
               A009980
%Y A063819 Adjacent sequences: A063816 A063817 A063818 this_sequence A063820 A063821 
               A063822
%K A063819 nonn
%O A063819 0,2
%A A063819 N. J. A. Sloane (njas(AT)research.att.com), Aug 21 2001

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