A144242 Prime numbers of the form 8^k +- 7.

71, 262151, 1073741831, 549755813881, 302231454903657293676551, 85070591730234615865843651857942052871, 23945242826029513411849172299223580994042798784118791, 25711008708143844408671393477458601640355247900524685364822023

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..14

Mathematica

Select[Sort[Flatten[Table[8^k+{7, -7}, {k, 90}]]], PrimeQ] (* Harvey P. Dale, Aug 08 2016 *)

Crossrefs

Cf. A000040, A000668, A104066, A144231, A144232, A144233, A144234, A144236.

Sequence in context: A131454 A099684 A078915 * A144360 A350005 A230378

Adjacent sequences: A144239 A144240 A144241 * A144243 A144244 A144245

Keyword

nonn

Author

Reikku Kulon, Sep 15 2008

Extensions

a(8) from Amiram Eldar, Jul 24 2025

Status

approved