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A017152
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a(n) = (8*n + 7)^4.
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1
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2401, 50625, 279841, 923521, 2313441, 4879681, 9150625, 15752961, 25411681, 38950081, 57289761, 81450625, 112550881, 151807041, 200533921, 260144641, 332150625, 418161601, 519885601, 639128961
(list;
graph;
refs;
listen;
history;
text;
internal format)
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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.: ( -2401 - 38620*x - 50726*x^2 - 6556*x^3 - x^4 ) / ( (x-1)^5 ). - R. J. Mathar, Aug 26 2015
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PROG
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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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