OFFSET
1,1
COMMENTS
a(5) > 10^11. - Donovan Johnson, Nov 01 2012
a(5) > 10^12. - Giovanni Resta, Nov 04 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Zdenek Cervenka, Oct 28 2012
EXTENSIONS
More terms from Michel Marcus, Jun 26 2013
STATUS
approved