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A025890
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Expansion of 1/((1-x^5)*(1-x^8)*(1-x^12)).
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6
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1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 2, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 3, 2, 2, 2, 3, 3, 2, 2, 4, 3, 3, 2, 4, 4, 3, 3, 5, 4, 4, 3, 5, 5, 4, 4, 6, 5, 5, 4, 7, 6, 5, 5, 7, 7, 6, 5, 8, 7, 7, 6, 9, 8, 7, 7, 9, 9, 8, 7
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OFFSET
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0,21
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COMMENTS
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a(n) is the number of partitions of n into parts 5, 8, and 12. - Michel Marcus, Dec 12 2022
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1,0,0,1,0,0,0,1,-1,0,0,0,-1,0,0,-1,0,0,0,0,1).
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MATHEMATICA
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CoefficientList[Series[1/((1-x^5)*(1-x^8)*(1-x^12)), {x, 0, 90}], x] (* G. C. Greubel, Dec 11 2022 *)
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PROG
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(Magma) R<x>:=PowerSeriesRing(Integers(), 90); Coefficients(R!( 1/((1-x^5)*(1-x^8)*(1-x^12)) )); // G. C. Greubel, Dec 11 2022
(SageMath)
P.<x> = PowerSeriesRing(ZZ, prec)
return P( 1/((1-x^5)*(1-x^8)*(1-x^12)) ).list()
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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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