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Search: id:A063822
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| A063822 |
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Growth series for fundamental group of orientable closed surface of genus 12. |
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+0
1
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| 1, 48, 2256, 106032, 4983504, 234224688, 11008560336, 517402335792, 24317909782224, 1142941759764528, 53718262708932816, 2524758347319842352, 118663642324032590544, 5577191189229531755568, 262127985893787992511696, 12320015337008035648049712
(list; graph; listen)
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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_12, S_12; z).
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FORMULA
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G.f.: (1+x)*(1-x^24)/(1-47*x+47*x^24-x^25).
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CROSSREFS
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Sequence in context: A165043 A049678 A156093 this_sequence A158783 A009992 A042105
Adjacent sequences: A063819 A063820 A063821 this_sequence A063823 A063824 A063825
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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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