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Search: id:A063816
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| A063816 |
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Growth series for fundamental group of orientable closed surface of genus 6. |
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+0
1
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| 1, 24, 552, 12696, 292008, 6716184, 154472232, 3552861336, 81715810728, 1879463646744, 43227663875112, 994236269127576, 22867434189934224, 525950986368486600, 12096872686475179128, 278228071788928828488
(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_6, S_6; z).
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FORMULA
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G.f.: (1+x)*(1-x^12)/(1-23*x+23*x^12-x^13).
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CROSSREFS
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Sequence in context: A014907 A121905 A010561 this_sequence A007110 A007109 A158538
Adjacent sequences: A063813 A063814 A063815 this_sequence A063817 A063818 A063819
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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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