A155846 Primes of the form 2^p-p*q where p is prime,q=5.

-7, 7, 1993, 130987, 536870767, 9007199254740727

Offset

1,1

Links

Table of n, a(n) for n=1..6.

Mathematica

q=5; lst={}; Do[p=Prime[n]; If[PrimeQ[p=2^p-p*q], AppendTo[lst, p]], {n, 5!}]; lst
Select[Table[2^p-5p, {p, Prime[Range[50]]}], PrimeQ] (* Harvey P. Dale, Jul 02 2018 *)

Crossrefs

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

Sequence in context: A213150 A239152 A320914 * A221114 A198841 A332634

Adjacent sequences: A155843 A155844 A155845 * A155847 A155848 A155849

Keyword

sign

Author

Vladimir Joseph Stephan Orlovsky, Jan 28 2009

Status

approved