OFFSET
1,2
EXAMPLE
a(3)=3+33+303=339. a(4)=4+44+404+424=876. a(7)=7+77+707+777+7007+7777+70007=86359.
CROSSREFS
KEYWORD
base,nonn,fini,full
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 06 2003
EXTENSIONS
Corrected and extended by R. J. Mathar, Oct 01 2006
STATUS
approved