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#22 by N. J. A. Sloane at Tue Apr 18 07:03:00 EDT 2017
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INRIA Algorithms Project, <a href="http://algoecs.inria.fr/ecsservices/ecsstructure?searchType=1&service=Search&searchTermsnbr=248">Encyclopedia of Combinatorial Structures 248</a>
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Discussion
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| Tue Apr 18
| 07:03
| OEIS Server: https://oeis.org/edit/global/2632
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#21 by Charles R Greathouse IV at Sun Aug 28 18:23:36 EDT 2016
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T. D. Noe, <a href="/A008584/b008584.txt">Table of n, a(n) for n= = 0..1000</a>
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Discussion
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| Sun Aug 28
| 18:23
| OEIS Server: https://oeis.org/edit/global/2561
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#20 by Bruno Berselli at Tue Apr 29 09:26:57 EDT 2014
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#19 by Ralf Stephan at Tue Apr 29 09:26:23 EDT 2014
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#18 by Ralf Stephan at Tue Apr 29 09:26:12 EDT 2014
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a(n) ~ 1/6220800*n^5 + 1/414720*n^4. - Ralf Stephan, Apr 29 2014
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approved
editing
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#17 by Charles R Greathouse IV at Thu Nov 21 12:45:55 EST 2013
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CoefficientList[Series[1/((1-x^2)(1-x^5)(1-x^6)(1-x^8)(1-x^9)(1-x^12)), {x, 0, 55}], x] (* From ] (* _Harvey P. Dale, _, Aug 10 2011 *)
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| Thu Nov 21
| 12:45
| OEIS Server: https://oeis.org/edit/global/2062
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#16 by Russ Cox at Fri Mar 30 16:45:21 EDT 2012
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| AUTHOR
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_N. J. A. Sloane (njas(AT)research.att.com)._.
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Discussion
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| Fri Mar 30
| 16:45
| OEIS Server: https://oeis.org/edit/global/110
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#15 by M. F. Hasler at Mon Mar 26 20:10:50 EDT 2012
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#14 by M. F. Hasler at Mon Mar 26 20:10:32 EDT 2012
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H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete DiscreteGroups, Groups. Ergebnisse der Mathematik und Ihrer Grenzgebiete, New Series, no.14. Springer Verlag, 1957, Table 10.
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#13 by M. F. Hasler at Mon Mar 26 20:09:32 EDT 2012
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H. S. M. Coxeter and W. O. J. Moser, Gens. Generators and Relations for DiscreteGroups, Ergebnisse der Mathematik und Ihrer Grenzgebiete, New DiscreteSeries, no.14. Springer GrpsVerlag, 1957, Table 10.
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| FORMULA
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G.f. 1/((1-x^2)*(1-x^5)*(1-x^6)*(1-x^8)*(1-x^9)*(1-x^12))
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| MAPLE
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1/((1-x^2)*(1-x^5)*(1-x^6)*(1-x^8)*(1-x^9)*(1-x^12));
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| STATUS
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approved
editing
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