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A246873 Primes p such that p - 2^2, p - 4^2 and p - 6^2 are all positive primes. 3
47, 83, 167, 227, 353, 383, 503, 677, 1013, 1217, 1487, 2393, 2693, 3947, 4973, 5003, 5843, 7577, 9887, 10337, 10667, 12437, 13163, 13187, 14087, 14423, 14783, 15683, 15923, 21017, 21503, 21803, 22067, 22307, 23057, 24107, 24113, 26717 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A046132. - Michel Marcus, Sep 08 2014

LINKS

Zak Seidov, Table of n, a(n) for n = 1..1000

EXAMPLE

47, 43, 31 and 13 are primes.

MATHEMATICA

Select[Prime[Range[10, 3000]], AllTrue[#-{4, 16, 36}, PrimeQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Jan 22 2019 *)

PROG

(PARI) select(p->isprime(p-4) && isprime(p-16) && isprime(p-36), primes(10000)) \\ Colin Barker, Sep 08 2014

CROSSREFS

Cf. A046132.

Sequence in context: A132255 A142041 A190799 * A033232 A146031 A272879

Adjacent sequences:  A246870 A246871 A246872 * A246874 A246875 A246876

KEYWORD

nonn

AUTHOR

Zak Seidov, Sep 06 2014

STATUS

approved

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Last modified January 19 17:59 EST 2020. Contains 331051 sequences. (Running on oeis4.)