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A138438
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a(n) = ((n-th prime)^5-(n-th prime)^3)/24.
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3
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1, 9, 125, 686, 6655, 15379, 58956, 102885, 267674, 853615, 1191640, 2887221, 4824470, 6122039, 9551716, 17418609, 29779955, 35182055, 56242681, 75161310, 86361774, 128190140, 164102869, 232639770, 357767816, 437877925, 482985334
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OFFSET
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1,2
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LINKS
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FORMULA
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MATHEMATICA
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a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p^3)/24], {n, 1, 50}]; a
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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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