OFFSET
1,1
EXAMPLE
None of the numbers 2, 23, 235, and 2357 are divisible by 11, but 235711 is divisible by 7, so a(1)=11.
Not until the concatenation through 601 is such a number divisible by 7^2, so a(2)=601.
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
James G. Merickel, Feb 01 2011
EXTENSIONS
a(12) added by James G. Merickel, Mar 29 2013
a(12) corrected and a(13)-a(14) added by Seth A. Troisi, May 18 2022
STATUS
approved