OFFSET
1,2
EXAMPLE
a(2)=2 divides the concatenated a(1)a(3)=130. a(3)=30 divides the concatenated a(2)a(4)=240. a(4)=40 divides the concatenated a(3)a(5)=30520.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 11 2005
EXTENSIONS
Corrected and extended by R. J. Mathar, Aug 31 2007
STATUS
approved