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A138429
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a(n) = (prime(n)^5 - prime(n))/15.
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3
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2, 16, 208, 1120, 10736, 24752, 94656, 165072, 429088, 1367408, 1908608, 4622928, 7723744, 9800560, 15289664, 27879696, 47661616, 56306416, 90008336, 120281952, 138204768, 205137088, 262602704, 372270624, 572489344, 700673360, 772849376
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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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Table[p = Prime[n]; (p^5 - p)/15, {n, 1, 50}]
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PROG
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(Magma) [(NthPrime((n))^5 - NthPrime((n)))/15: n in [1..30]]; // Vincenzo Librandi, Jun 18 2011
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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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