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A125822 Numbers n for which 8n+1 and 8n+3 are twin primes. 8
2, 5, 17, 35, 65, 71, 77, 80, 101, 107, 110, 131, 161, 185, 212, 215, 260, 266, 332, 341, 350, 371, 407, 416, 491, 500, 506, 527, 530, 542, 560, 581, 590, 626, 677, 680, 707, 731, 761, 806, 821, 836, 845, 932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

MATHEMATICA

Do[If[PrimeQ[8n + 1] && PrimeQ[8n + 3], Print[n]], {n, 1, 1000}]

CROSSREFS

Cf. A001109, A125821.

Sequence in context: A066649 A075345 A045705 * A025537 A245784 A247068

Adjacent sequences:  A125819 A125820 A125821 * A125823 A125824 A125825

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 10 2006

STATUS

approved

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Last modified March 18 16:00 EDT 2019. Contains 321292 sequences. (Running on oeis4.)