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Search: id:A063818
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| A063818 |
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Growth series for fundamental group of orientable closed surface of genus 8. |
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+0
1
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| 1, 32, 992, 30752, 953312, 29552672, 916132832, 28400117792, 880403651552, 27292513198112, 846067909141472, 26228105183385632, 813071260684954592, 25205209081233592352, 781361481518241362912, 24222205927065482250272
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OFFSET
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0,2
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REFERENCES
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P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 2000, p. 160, Sigma(Gamma_8, S_8; z).
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FORMULA
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G.f.: (1+x)*(1-x^16)/(1-31*x+31*x^16-x^17).
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CROSSREFS
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Sequence in context: A160314 A067820 A115612 this_sequence A065552 A158617 A029548
Adjacent sequences: A063815 A063816 A063817 this_sequence A063819 A063820 A063821
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Aug 21 2001
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