OFFSET
1,2
LINKS
EXAMPLE
a(3) is 990220 because its length-3 substrings (990, 902, 022, 220) are all distinct and divisible by 22 and there is no larger number with this property
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 28 2004
EXTENSIONS
a(9)-a(14) from John Cerkan, Oct 25 2017
STATUS
approved