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Search: id:A051461
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| A051461 |
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Molien series for group G_{1,3} of order 2304. |
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+0
1
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| 1, 0, 1, 15, 37, 78, 229, 419, 721, 1341, 2152, 3214, 5083, 7324, 10167, 14485, 19637, 25772, 34575, 44663, 56511, 72419, 90552, 111188, 138093, 168064, 201909, 244403, 291549, 343794, 408225, 478659, 556325, 649809, 751696, 862642, 994583
(list; graph; listen)
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OFFSET
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0,4
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LINKS
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Index entries for Molien series
E. Bannai, S. T. Dougherty, M. Harada and M. Oura, Type II Codes, Even Unimodular Lattices and Invariant Rings, IEEE Trans. Information Theory, Volume 45, Number 4, 1999, 1194-1205.
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FORMULA
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G.f.: (x^18 + 4*x^17 + 19*x^16 + 30*x^15 + 47*x^14 + 97*x^13 + 128*x^12 + 113*x^11 + 186*x^10 + 161*x^9 + 97*x^8 + 108*x^7 + 98*x^6 + 27*x^5 + 23*x^4 + 13*x^3 - x + 1)/((x - 1)^6*(x + 1)^3*(x^2 + x + 1)^4*(x^2 - x + 1)^2).
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CROSSREFS
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Sequence in context: A118867 A082112 A059605 this_sequence A039605 A032654 A086096
Adjacent sequences: A051458 A051459 A051460 this_sequence A051462 A051463 A051464
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KEYWORD
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nonn,easy,nice
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AUTHOR
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njas
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Jun 15 2001
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