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A172190 a(n) = 2*prime(n)^3. 2
16, 54, 250, 686, 2662, 4394, 9826, 13718, 24334, 48778, 59582, 101306, 137842, 159014, 207646, 297754, 410758, 453962, 601526, 715822, 778034, 986078, 1143574, 1409938, 1825346, 2060602, 2185454, 2450086, 2590058, 2885794, 4096766 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

a(n) = 2*A030078(n).

MATHEMATICA

2 Prime[Range[50]]^3 (* Vincenzo Librandi, Mar 27 2014 *)

PROG

(MAGMA) [2*p^3: p in PrimesUpTo(200)]; // Vincenzo Librandi, Mar 27 2014

CROSSREFS

Cf. A030078.

Sequence in context: A137741 A167690 A297842 * A122658 A224040 A244805

Adjacent sequences:  A172187 A172188 A172189 * A172191 A172192 A172193

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Jan 29 2010

EXTENSIONS

Definition clarified by Jon E. Schoenfield, Jun 18 2010

STATUS

approved

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Last modified December 3 21:17 EST 2021. Contains 349468 sequences. (Running on oeis4.)