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A063821
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Growth series for fundamental group of orientable closed surface of genus 11.
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0
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1, 44, 1892, 81356, 3498308, 150427244, 6468371492, 278139974156, 11960018888708, 514280812214444, 22114074925221092, 950905221784506956, 40888924536733799108, 1758223755079553361644, 75603621468420794550692, 3250955723142094165679756
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 2000, p. 160, Sigma(Gamma_11, S_11; z).
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FORMULA
| G.f.: (1+x)*(1-x^22)/(1-43*x+43*x^22-x^23).
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MATHEMATICA
| CoefficientList[Series[(1+x)(1-x^22)/(1-43x+43x^22-x^23), {x, 0, 30}], x] (* From Harvey P. Dale, Aug 16 2011 *)
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CROSSREFS
| Sequence in context: A170677 A170725 * A170763 A158751 A206992 A206934
Adjacent sequences: A063818 A063819 A063820 * A063822 A063823 A063824
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Aug 21 2001
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