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A085957 Primes p such that 6p + 1 and (p-1)/6 are primes. 4
13, 103, 283, 367, 607, 787, 907, 1987, 2203, 2767, 3643, 4507, 5623, 5827, 6907, 7927, 7963, 8167, 8887, 9067, 9643, 10867, 11083, 11443, 12487, 13723, 14083, 14143, 16747, 17107, 17827, 19507, 19543, 20743, 20947, 21487, 22567, 24043 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..38.

MATHEMATICA

Prime[ Select[ Range[2738], PrimeQ[ 6Prime[ # ] + 1] && PrimeQ[(Prime[ # ] - 1)/6] & ]]

CROSSREFS

Cf. A085956, A085958.

Sequence in context: A050670 A142318 A246511 * A119594 A066034 A228213

Adjacent sequences:  A085954 A085955 A085956 * A085958 A085959 A085960

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Jul 16 2003

EXTENSIONS

Edited and extended by Zak Seidov and Robert G. Wilson v, Jul 18 2003

STATUS

approved

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Last modified December 7 20:40 EST 2021. Contains 349589 sequences. (Running on oeis4.)