OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..26
MATHEMATICA
Select[Table[2^k+k, {k, 200}], PrimeOmega[#]==2&] (* Harvey P. Dale, Aug 11 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray Chandler, Nov 08 2003
EXTENSIONS
a(10)-a(11) from Jinyuan Wang, Jul 30 2021
STATUS
approved