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A138435 a(n) = ((n-th prime)^5-(n-th prime)^3)/6. 3
4, 36, 500, 2744, 26620, 61516, 235824, 411540, 1070696, 3414460, 4766560, 11548884, 19297880, 24488156, 38206864, 69674436, 119119820, 140728220, 224970724, 300645240, 345447096, 512760560, 656411476, 930559080, 1431071264 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = A138406(n)/6. - R. J. Mathar, Oct 15 2017

MATHEMATICA

a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p^3)/6], {n, 1, 50}]; a

(#^5-#^3)/6&/@Prime[Range[30]] (* Harvey P. Dale, Apr 01 2019 *)

PROG

(PARI) forprime(p=2, 1e3, print1((p^5-p^3)/6", ")) \\ Charles R Greathouse IV, Jul 15 2011

CROSSREFS

Sequence in context: A291313 A002690 A094417 * A008546 A277404 A024253

Adjacent sequences:  A138432 A138433 A138434 * A138436 A138437 A138438

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski, Mar 19 2008

STATUS

approved

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Last modified October 26 13:09 EDT 2021. Contains 348267 sequences. (Running on oeis4.)