OFFSET
1,1
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..1201
PROG
(PARI) for(n=2, 1e2, if(!ispseudoprime(2^n-1), p=factor(2^n-1)[1, 1]; print1(p, ", ")))
CROSSREFS
KEYWORD
nonn
AUTHOR
Felix Fröhlich, Aug 11 2014
STATUS
approved