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A008682
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Expansion of 1/((1-x^4)*(1-x^5)*(1-x^6)).
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3
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1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 2, 1, 2, 1, 2, 2, 3, 2, 3, 2, 4, 3, 4, 3, 5, 4, 5, 4, 6, 5, 7, 5, 7, 6, 8, 7, 9, 7, 9, 8, 11, 9, 11, 9, 12, 11, 13, 11, 14, 12, 15, 13, 16, 14, 17, 15, 18, 16, 19, 17, 21, 18, 21, 19, 23, 21, 24, 21, 25, 23, 27, 24, 28, 25, 29, 27, 31, 28, 32, 29, 34, 31
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OFFSET
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0,11
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (0,0,0,1,1,1,0,0,-1,-1,-1,0,0,0,1).
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MAPLE
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seq(coeff(series(1/mul(1-x^j, j=4..6), x, n+1), x, n), n = 0..90); # G. C. Greubel, Sep 09 2019
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MATHEMATICA
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CoefficientList[Series[1/((1-x^4)(1-x^5)(1-x^6)), {x, 0, 90}], x] (* Vincenzo Librandi, Jun 23 2013 *)
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PROG
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(Magma) R<x>:=PowerSeriesRing(Integers(), 90); Coefficients(R!( 1/&*[1-x^j: j in [4..6]] )); // G. C. Greubel, Sep 09 2019
(Sage)
P.<x> = PowerSeriesRing(ZZ, prec)
return P(1/prod(1-x^j for j in (4..6))).list()
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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