OFFSET
1,2
EXAMPLE
a(7) = 22212019181716 is the concatenation of 22,21,20,19,18,17 and 16 and is divisible by 7.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 06 2003
EXTENSIONS
More terms from David Wasserman, May 10 2005
STATUS
approved