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A155845
Primes of the form 2^p-p*q where p is prime,q=3.
4
-2, 17, 107, 524231, 8388539, 162259276829213363391578010287807
OFFSET
1,1
COMMENTS
The next term has 1342 digits. - Harvey P. Dale, Dec 09 2013
MATHEMATICA
q=3; lst={}; Do[p=Prime[n]; If[PrimeQ[p=2^p-p*q], AppendTo[lst, p]], {n, 5!}]; lst
Select[2^#-3#&/@Prime[Range[900]], PrimeQ] (* Harvey P. Dale, Dec 09 2013 *)
KEYWORD
sign
AUTHOR
STATUS
approved