A094524 Primes of form 3*prime(m) + 2.

11, 17, 23, 41, 53, 59, 71, 89, 113, 131, 179, 239, 251, 269, 293, 311, 383, 419, 449, 491, 503, 521, 593, 599, 683, 701, 719, 773, 809, 881, 941, 953, 1013, 1049, 1061, 1103, 1151, 1193, 1229, 1259, 1301, 1319, 1373, 1439, 1499, 1511, 1571, 1709, 1733

Offset

1,1

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Formula

a(n) = 3*A023208(n) + 2.

Example

a(7) = 3*23 + 2 = 71.

Mathematica

Select[Table[3*Prime[n]+2, {n, 200}], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Feb 01 2012 *)

Prog

(PARI) forprime(p=2, 600, if(isprime(q=3*p+2), print1(q, ", ")))
(Haskell)
a094524 = (+ 2) . (* 3) . a023208  -- Reinhard Zumkeller, Aug 15 2011

Crossrefs

Cf. A023208, A091180.

Sequence in context: A096454 A099722 A031505 * A243817 A098412 A261918

Adjacent sequences: A094521 A094522 A094523 * A094525 A094526 A094527

Keyword

nonn,easy

Author

Klaus Brockhaus, May 07 2004

Status

approved