OFFSET
1,1
COMMENTS
a(n) is odd for n>1. The first few primes in this sequence are 7, 13, 23, 43, 4133, 8233, 16427, 8388691, ... . - Wesley Ivan Hurt, Dec 05 2015
FORMULA
From Wesley Ivan Hurt, Dec 05 2015: (Start)
MAPLE
MATHEMATICA
Table[2^n + Prime[n], {n, 40}]
PROG
(Magma) [NthPrime(n) + 2^n: n in [1..40]];
(PARI) a(n) = 2^n + prime(n); \\ Altug Alkan, Dec 03 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 03 2015
STATUS
approved