login
A155848
Primes of the form 2^p-p*q where p is prime, q=9.
0
-19, -13, 1949, 2535301200456458802993406409843
OFFSET
1,1
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 *)
KEYWORD
sign
AUTHOR
STATUS
approved