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A079704 2p^2 where p runs through the primes. 12
8, 18, 50, 98, 242, 338, 578, 722, 1058, 1682, 1922, 2738, 3362, 3698, 4418, 5618, 6962, 7442, 8978, 10082, 10658, 12482, 13778, 15842, 18818, 20402, 21218, 22898, 23762, 25538, 32258, 34322, 37538, 38642, 44402, 45602, 49298, 53138, 55778 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = 2*A001248(n) = A100484(n)*A000040(n). - Reinhard Zumkeller, Nov 19 2013

EXAMPLE

a(2) = prime(2)^2*2 = 3^2*2 = 9*2 = 18.

MATHEMATICA

2 Prime[Range[40]]^2 (* Vincenzo Librandi, Mar 27 2014 *)

PROG

(PARI) forprime (p=2, 100, print1(p^2*2", "))

(Haskell)

a079704 = (* 2) . a001248  -- Reinhard Zumkeller, Nov 19 2013

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

CROSSREFS

Sequence in context: A153388 A109988 A066721 * A032795 A120543 A036747

Adjacent sequences:  A079701 A079702 A079703 * A079705 A079706 A079707

KEYWORD

easy,nonn

AUTHOR

Jon Perry, Jan 31 2003

EXTENSIONS

More terms from Vincenzo Librandi, Jan 29 2010

Offset corrected by Reinhard Zumkeller, Nov 19 2013

STATUS

approved

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Last modified October 20 02:10 EDT 2019. Contains 328244 sequences. (Running on oeis4.)