OFFSET
1,1
COMMENTS
Apart from the first term, the same as A172156. - R. J. Mathar, Mar 17 2010
Primes of the form 5*2^n-3.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..38
MATHEMATICA
Select[Table[5*2^n-3, {n, 0, 300}], PrimeQ] (* Vincenzo Librandi, Jul 26 2012 *)
PROG
(Magma) [ a: n in [0..150] | IsPrime(a) where a is 5*2^n-3 ];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Mar 05 2010
EXTENSIONS
Edited by N. J. A. Sloane, Mar 17 2010
STATUS
approved