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A185065
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a(n) = n*(n^3 + 2).
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6
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0, 3, 20, 87, 264, 635, 1308, 2415, 4112, 6579, 10020, 14663, 20760, 28587, 38444, 50655, 65568, 83555, 105012, 130359, 160040, 194523, 234300, 279887, 331824, 390675, 457028, 531495, 614712, 707339, 810060, 923583, 1048640
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OFFSET
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0,2
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COMMENTS
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Numbers a(n) such that a(n)^3 = x^3*(x-2). The values of x are in A084380.
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LINKS
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FORMULA
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G.f.: x*(3 + 5*x + 17*x^2 - x^3)/(1-x)^5. - Bruno Berselli, Mar 31 2011
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EXAMPLE
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20^3 = 10^3*(10-2); 87^3 = 29^3*(29-2).
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MATHEMATICA
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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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