A144234 Prime numbers of the form 6^k +- 5.

11, 31, 41, 211, 1291, 1301, 279941, 60466181, 78364164101, 101559956668421, 36845653286788892983291, 1326443518324400147398651, 7958661109946400884391941, 286511799958070431838109691, 174588755932389037098918153698611839369211, 6285195213566005335561053533150026217291781

Offset: 1

Author

Reikku Kulon, Sep 15 2008

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..32

Crossrefs

Cf. A000040, A000668, A144231, A144232, A144233.

Programs

Mathematica

Select[Sort[Flatten[#+{5,-5}&/@(6^Range[50])]],PrimeQ] (* Harvey P. Dale, May 12 2015 *)

Extensions

a(15)-a(16) from Amiram Eldar, Jul 23 2025