OFFSET
1,1
COMMENTS
LINKS
Max Alekseyev, Table of n, a(n) for n = 1..39
EXAMPLE
46235097144973199564251065756966919577339221 is in this sequence because it is the largest prime factor of the semiprime 2^199-199.
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Oct 08 2009
STATUS
approved