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Search: id:A063813
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| A063813 |
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Growth series for fundamental group of orientable closed surface of genus 3. |
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+0
1
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| 1, 12, 132, 1452, 15972, 175692, 1932600, 21258468, 233841708, 2572242948, 28294498188, 311237563428, 3423592114800, 37659281352252, 414249543874452, 4556716921788252, 50123577472433652, 551355956878070652, 6064878177383077800
(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_3, S_3; z).
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FORMULA
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G.f.: (1+x)*(1-x^6)/(1-11*x+11*x^6-x^7).
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CROSSREFS
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Sequence in context: A097826 A010580 A010577 this_sequence A003954 A120673 A120674
Adjacent sequences: A063810 A063811 A063812 this_sequence A063814 A063815 A063816
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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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