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A127464 Primes p such that 12p - 11 and 12p + 11 are also primes. 1
29, 101, 109, 151, 199, 211, 239, 251, 389, 491, 571, 631, 641, 809, 811, 1009, 1021, 1039, 1061, 1201, 1229, 1429, 1459, 1481, 1511, 1621, 1721, 2029, 2111, 2131, 2789, 2801, 2909, 2939, 2999, 3121, 3191, 3259, 3461, 3529, 3559, 3571, 3709, 3821, 4091 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

EXAMPLE

101, 12*101 - 11 = 1201, and 12*101 + 11 = 1223 are all primes.

MATHEMATICA

Select[Range[5000], PrimeQ[ # ] && PrimeQ[12# + 11] && PrimeQ[12# - 11] &]

Select[Prime[Range[600]], AllTrue[12#+{11, -11}, PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Jan 12 2016 *)

PROG

(MAGMA) [p: p in PrimesUpTo(5000)|IsPrime(12*p-11) and IsPrime(12*p+11)] // Vincenzo Librandi, Jan 30 2011

CROSSREFS

Subsequence of A157974.

Sequence in context: A240954 A087641 A161665 * A318959 A142109 A069472

Adjacent sequences:  A127461 A127462 A127463 * A127465 A127466 A127467

KEYWORD

nonn

AUTHOR

Zerinvary Lajos, Mar 31 2007

EXTENSIONS

Name corrected by T. D. Noe, Jan 29 2011

STATUS

approved

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Last modified June 16 21:55 EDT 2021. Contains 345080 sequences. (Running on oeis4.)