OFFSET
1,3
COMMENTS
After 0, all terms are odd. [Bruno Berselli, Oct 02 2014]
LINKS
Henri & Renaud Lifchitz, PRP Records.
EXAMPLE
a(1) = 1 is a member because 29^1 + 2 = 31 is prime.
29^3+2 = 24391 is prime, so 3 is in the sequence.
PROG
(PARI) for( n = 0, 239, if( isprime( 29^n +2), print( n), ))
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Donald S. McDonald, Oct 13 2003
EXTENSIONS
a(8) from Mark Hudson (mrmarkhudson(AT)hotmail.com), Sep 07 2004
a(9) - a(11), corresponding to probable primes, from Ryan Propper, Jul 03 2005
Edited by T. D. Noe, Oct 30 2008
a(12) from Ray Chandler, Aug 01 2011
a(13) from Ray Chandler, Aug 02 2011
a(14) from Ray Chandler, Aug 08 2011
STATUS
approved