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A124521 Numbers n such that 16n-1 and 16n+1 are twin primes. +0
1
12, 15, 27, 72, 93, 117, 132, 162, 168, 195, 198, 210, 258, 267, 300, 327, 330, 345, 435, 468, 642, 765, 813, 855, 903, 912, 960, 978, 993, 1128, 1143, 1182, 1290, 1350, 1353, 1365, 1392, 1398, 1440, 1632, 1680, 1713, 1737, 1797, 1848, 1860, 1947, 1953, 1962 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Select[Range[2000], And @@ PrimeQ[{-1, 1} + 16# ] &] (*Chandler*)

CROSSREFS

Cf. A040040, A045753, A002822, A124065, A124518-A124522, A063983.

Adjacent sequences: A124518 A124519 A124520 this_sequence A124522 A124523 A124524

Sequence in context: A050480 A063604 A015904 this_sequence A134221 A065150 A087098

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Nov 04 2006

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 16 2006

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.


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