A144242 - OEIS

%I #4 Aug 08 2016 10:40:40

%S 71,262151,1073741831,549755813881,302231454903657293676551,

%T 85070591730234615865843651857942052871,

%U 23945242826029513411849172299223580994042798784118791

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

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

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

%K nonn

%O 1,1

%A _Reikku Kulon_, Sep 15 2008