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A171688 Twin primes > 3. 2
5, 7, 11, 13, 17, 19, 29, 31, 41, 43, 59, 61, 71, 73, 101, 103, 107, 109, 137, 139, 149, 151, 179, 181, 191, 193, 197, 199, 227, 229, 239, 241, 269, 271, 281, 283, 311, 313, 347, 349, 419, 421, 431, 433, 461, 463, 521, 523, 569, 571, 599, 601, 617, 619, 641 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Twin primes of the form 6n-1 or 6n+1. [From Juri-Stepan Gerasimov, May 12 2010]
LINKS
FORMULA
a(n)=A001097(n+1).
CROSSREFS
Cf. A001097.
Sequence in context: A309726 A093495 A093496 * A239711 A217090 A253969
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited by N. J. A. Sloane, Mar 17 2010
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)