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A138440
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a(n) = ((n-th prime)^6-(n-th prime))/2.
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2
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31, 363, 7810, 58821, 885775, 2413398, 12068776, 23522931, 74017933, 297411646, 443751825, 1282863186, 2375052100, 3160681503, 5389607641, 11082180538, 21090266791, 25760187150, 45229191051, 64050141925, 75667113108
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..21.
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MATHEMATICA
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a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p)/2], {n, 1, 50}]; a
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PROG
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(PARI) forprime(p=2, 1e3, print1((p^6-p)/2", ")) \\ Charles R Greathouse IV, Jul 15 2011
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CROSSREFS
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Sequence in context: A197644 A156150 A125419 * A161347 A107941 A142684
Adjacent sequences: A138437 A138438 A138439 * A138441 A138442 A138443
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KEYWORD
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nonn,easy,changed
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AUTHOR
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Artur Jasinski, Mar 19 2008
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STATUS
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approved
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