OFFSET
1,1
COMMENTS
Subset of A031879 Composite lucky numbers.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jonathan Vos Post, May 20 2008
EXTENSIONS
Term 135 deleted by Giovanni Resta, Jun 20 2016
STATUS
approved