A155848 Primes of the form 2^p-p*q where p is prime, q=9.

-19, -13, 1949, 2535301200456458802993406409843

Offset

1,1

Links

Table of n, a(n) for n=1..4.

Mathematica

q=9; lst={}; Do[p=Prime[n]; If[PrimeQ[p=2^p-p*q], AppendTo[lst, p]], {n, 5!}]; lst
Select[2^#-9#&/@Prime[Range[50]], PrimeQ] (* Harvey P. Dale, Aug 26 2014 *)

Crossrefs

Cf. A057664, A155841, A155842, A155843, A155844, A057678, A155845, A155846, A155847.

Sequence in context: A089294 A088934 A177923 * A088399 A106706 A291427

Adjacent sequences: A155845 A155846 A155847 * A155849 A155850 A155851

Keyword

sign

Author

Vladimir Joseph Stephan Orlovsky, Jan 28 2009

Status

approved