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A138454
a(n) = ((n-th prime)^6-(n-th prime)^4)/3.
3
16, 216, 5000, 38416, 585640, 1599416, 8018016, 15638520, 49252016, 198038680, 295526720, 854617416, 1582426160, 2105981416, 3591445216, 7385490216, 14056138760, 17168842840, 30146077016, 42691624080, 50435276016
OFFSET
1,1
LINKS
MATHEMATICA
a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^4)/3], {n, 1, 24}]; a
(#^6-#^4)/3&/@Prime[Range[30]] (* Harvey P. Dale, Apr 22 2019 *)
PROG
(PARI) forprime(p=2, 1e3, print1((p^6-p^4)/3", ")) \\ Charles R Greathouse IV, Jul 15 2011
CROSSREFS
Sequence in context: A297098 A159739 A181247 * A235758 A086650 A137701
KEYWORD
nonn,easy
AUTHOR
Artur Jasinski, Mar 22 2008
STATUS
approved