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A017032
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a(n) = (7*n + 4)^4.
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1
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256, 14641, 104976, 390625, 1048576, 2313441, 4477456, 7890481, 12960000, 20151121, 29986576, 43046721, 59969536, 81450625, 108243216, 141158161, 181063936, 228886641, 285610000, 352275361, 429981696, 519885601, 623201296, 741200625, 875213056, 1026625681
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: -(81*x^4 + 9595*x^3 + 34331*x^2 + 13361*x + 256) / (x-1)^5. - Colin Barker, Oct 21 2015
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MATHEMATICA
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PROG
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(PARI) Vec(-(81*x^4+9595*x^3+34331*x^2+13361*x+256)/(x-1)^5 + O(x^50)) \\ Colin Barker, Oct 21 2015
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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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STATUS
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approved
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