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A138407 a(n) = p^4*(p-1), where p = prime(n). 5
16, 162, 2500, 14406, 146410, 342732, 1336336, 2345778, 6156502, 19803868, 27705630, 67469796, 113030440, 143589642, 224465326, 410305012, 702806938, 830750460, 1329973986, 1778817670, 2044673352, 3038106318, 3891582322 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Index to sequences related to prime powers

FORMULA

a(n) = A000010(prime(n)^5). - R. J. Mathar, Oct 15 2017

MATHEMATICA

a = {}; Do[p = Prime[n]; AppendTo[a, p^5 - p^4], {n, 1, 50}]; a

f54[n_]:=Module[{c=Prime[n]}, c^5-c^4]; Array[f54, 30] (* Harvey P. Dale, Mar 29 2015 *)

PROG

(PARI) forprime(p=2, 1e3, print1(p^5-p^4", ")) \\ Charles R Greathouse IV, Jun 16 2011

(MAGMA) [NthPrime((n))^5 - NthPrime((n))^4: n in [1..30] ]; // Vincenzo Librandi, Jun 17 2011

CROSSREFS

Cf. A030514, A050997.

Sequence in context: A091363 A225897 A275231 * A094857 A274801 A274747

Adjacent sequences:  A138404 A138405 A138406 * A138408 A138409 A138410

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski, Mar 19 2008

EXTENSIONS

First Mathematica program corrected by Harvey P. Dale, Mar 29 2015

STATUS

approved

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Last modified November 21 12:23 EST 2018. Contains 317449 sequences. (Running on oeis4.)