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A089599
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G.f.: (1+x^5+x^7+x^8+x^10+x^15)/((1-x^2)(1-x^3)(1-x^4)(1-x^6)^2(1-x^9)).
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5
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1, 0, 1, 1, 2, 2, 5, 4, 8, 9, 13, 15, 23, 24, 35, 40, 52, 60, 79, 87, 112, 127, 155, 177, 216, 240, 290, 326, 382, 430, 503, 557, 648, 720, 822, 914, 1041, 1144, 1298, 1428, 1600, 1760, 1967, 2146, 2392, 2609, 2882, 3142, 3463, 3752, 4127, 4468, 4882, 5282, 5760, 6202
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OFFSET
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0,5
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COMMENTS
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Poincaré series [or Poincare series] (or Molien series) for (P[x_0, x_1] ⊗ P[x_0, x_1] ⊗ P[x_0, x_1] )^(S_3).
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REFERENCES
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A. Adem and R. J. Milgram, Cohomology of Finite Groups, Springer-Verlag, 2nd. ed., 2004; p. 200.
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (1, 1, 0, 0, -2, 1, -1, 0, 2, -2, 1, 0, 0, 1, -2, 2, 0, -1, 1, -2, 0, 0, 1, 1, -1).
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FORMULA
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G.f.: (1-x+x^5-x^9+x^10)/((1-x)^2*(1-x^2)*(1-x^4)*(1-x^6)*(1-x^9)*(1+x+x^2)). See also the NAME. - Wolfdieter Lang, Mar 19 2014
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PROG
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(PARI) Vec((1+x^5+x^7+x^8+x^10+x^15)/((1-x^2)*(1-x^3)*(1-x^4)*(1-x^6)^2*(1-x^9)) + O(x^100)) \\ Michel Marcus, Mar 19 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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