OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..13
EXAMPLE
a(0)=5 because 2^(2^0 + 1) + 1 = 2^(1 + 1) + 1 = 2^2 + 1 = 4 + 1 = 5.
MATHEMATICA
2^(2^Range[0, 9] + 1) + 1 (* Vladimir Joseph Stephan Orlovsky, Jun 22 2011 *)
PROG
(Magma) [(2^((2^n)+1))+1: n in [0..8]]; // Vincenzo Librandi, Jun 20 2011
(PARI) a(n)=1<<(2^n+1)+1 \\ Charles R Greathouse IV, Jul 30 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Anonymous, May 17 2002
EXTENSIONS
Edited by Robert G. Wilson v, May 20 2002
STATUS
approved