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A138436 a(n) = ((n-th prime)^5-(n-th prime)^3)/8. 2
3, 27, 375, 2058, 19965, 46137, 176868, 308655, 803022, 2560845, 3574920, 8661663, 14473410, 18366117, 28655148, 52255827, 89339865, 105546165, 168728043, 225483930, 259085322, 384570420, 492308607, 697919310, 1073303448 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = A138406(n)/8. - R. J. Mathar, Oct 15 2017
MATHEMATICA
a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p^3)/8], {n, 1, 50}]; a
PROG
(PARI) forprime(p=2, 1e3, print1((p^5-p^3)/8", ")) \\ Charles R Greathouse IV, Jul 15 2011
CROSSREFS
Sequence in context: A370288 A157089 A365794 * A141057 A365569 A365586
KEYWORD
nonn,easy
AUTHOR
Artur Jasinski, Mar 19 2008
STATUS
approved

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Last modified May 20 11:05 EDT 2024. Contains 372712 sequences. (Running on oeis4.)