OFFSET
1,1
COMMENTS
Associated with A019518(i) at i = 6, 642, 22164, 1148866, 13411613, ...
EXAMPLE
23571113 is divisible by 29, but it's necessary to concatenate through 4783 to get a number divisible by 29^2.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
James G. Merickel, Feb 05 2011
STATUS
approved