OFFSET
1,2
COMMENTS
See A066272 for definition of anti-divisor.
a(6) > 10^16. - Hiroaki Yamanouchi, Sep 27 2015
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Jason Earls, Sep 05 2002
EXTENSIONS
a(5) from Max Alekseyev, Jan 23 2012
STATUS
approved