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A138433
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a(n) = ((n-th prime)^5-(n-th prime)^3)/3.
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2
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8, 72, 1000, 5488, 53240, 123032, 471648, 823080, 2141392, 6828920, 9533120, 23097768, 38595760, 48976312, 76413728, 139348872, 238239640, 281456440, 449941448, 601290480, 690894192, 1025521120, 1312822952, 1861118160
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OFFSET
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1,1
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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)/3], {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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