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A155842
Primes of the form q*p+2^p where p is prime, q=5.
7
23, 163, 137438953657, 2305843009213694257, 862718293348820473429344482784628181556388621521298319395315527976057, 19239260838083241802870625048898248928261591440656956380834127638791856333738872368854622194768025215237611325257
OFFSET
1,1
COMMENTS
The next term has 4702 digits. - Harvey P. Dale, Nov 02 2024
MATHEMATICA
lst={}; Do[p=Prime[n]; If[PrimeQ[p=5*p+2^p], AppendTo[lst, p]], {n, 5!}]; lst
Select[Table[5p+2^p, {p, Prime[Range[100]]}], PrimeQ] (* Harvey P. Dale, Nov 02 2024 *)
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
STATUS
approved