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A154608 Primes p such that 11*p + 4 is also prime. 2
3, 5, 17, 23, 47, 53, 59, 89, 107, 137, 173, 179, 239, 263, 269, 317, 347, 383, 389, 443, 449, 479, 557, 563, 569, 617, 647, 653, 659, 677, 683, 857, 863, 929, 953, 1019, 1097, 1109, 1193, 1223, 1229, 1277, 1373, 1433, 1487, 1493, 1499, 1583, 1607, 1613, 1667 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Prime[Range[2000]], PrimeQ[11 # + 4] &] (* Vincenzo Librandi, Mar 06 2013 *)

PROG

(MAGMA) [p: p in PrimesUpTo(1700)| IsPrime(11*p+4)]; // Vincenzo Librandi, Mar 06 2013

(PARI) for(n=1, 2000, if(isprime(n) && isprime(11*n+4), print1(n", "))) \\ G. C. Greubel, Sep 18 2019

(Sage) [n for n in (1..2000) if is_prime(n) and is_prime(11*n+4)] # G. C. Greubel, Sep 18 2019

(GAP) Filtered([1..2000], k-> IsPrime(k) and IsPrime(11*k+4)); # G. C. Greubel, Sep 18 2019

CROSSREFS

Cf. A017437, A141851, A154607.

Sequence in context: A211440 A100564 A231232 * A024862 A025106 A333199

Adjacent sequences:  A154605 A154606 A154607 * A154609 A154610 A154611

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Jan 15 2009

STATUS

approved

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Last modified June 20 10:07 EDT 2021. Contains 345162 sequences. (Running on oeis4.)