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A138444 a(n) = ((n-th prime)^6-(n-th prime^2))/5. 2
12, 144, 3120, 23520, 354288, 965328, 4827456, 9409104, 29607072, 118964496, 177500544, 513145008, 950020512, 1264272240, 2155842624, 4432871664, 8436106032, 10304074128, 18091675536, 25620055776, 30266844192, 48617489856 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

FORMULA

a(n) = A138409(n)/5. - R. J. Mathar, Oct 15 2017

MATHEMATICA

a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^2)/5], {n, 1, 50}]; a

(#^6-#^2)/5&/@Prime[Range[30]] (* Harvey P. Dale, Oct 18 2013 *)

PROG

(PARI) forprime(p=2, 1e3, print1((p^6-p^2)/5", ")) \\ Charles R Greathouse IV, Jul 15 2011

CROSSREFS

Sequence in context: A076728 A123237 A143248 * A137886 A097303 A067219

Adjacent sequences:  A138441 A138442 A138443 * A138445 A138446 A138447

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski, Mar 19 2008

STATUS

approved

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Last modified October 20 22:44 EDT 2019. Contains 328291 sequences. (Running on oeis4.)