A172191 a(n) = 2*prime(n)^4.

32, 162, 1250, 4802, 29282, 57122, 167042, 260642, 559682, 1414562, 1847042, 3748322, 5651522, 6837602, 9759362, 15780962, 24234722, 27691682, 40302242, 50823362, 56796482, 77900162, 94916642, 125484482, 177058562, 208120802

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) = 2*A030514(n).

Mathematica

2Prime[Range[100]]^4 (* Vincenzo Librandi, Mar 27 2014 *)

Prog

(Magma) [2*p^4: p in PrimesUpTo(200)]; // Vincenzo Librandi, Mar 27 2014
(SageMath) [2*nth_prime(n)^4 for n in (1..50)] # G. C. Greubel, Apr 28 2022

Crossrefs

Cf. A000040, A030514.

Sequence in context: A300312 A197367 A297843 * A304381 A281467 A302621

Adjacent sequences: A172188 A172189 A172190 * A172192 A172193 A172194

Keyword

nonn,easy

Author

Vincenzo Librandi, Jan 29 2010

Extensions

Definition clarified by Jon E. Schoenfield, Jun 18 2010

Status

approved