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A093211
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 11.
88
0, 99, 99022099, 9988998, 99990222209999, 99998899998, 99999902222220999999, 999999889999998, 99999999022222222099999999, 9999999988999999998, 99999999990222222222209999999999
OFFSET
1,2
EXAMPLE
a(3) is 99022099 because its length-3 substrings (990, 902, 022, 220, 209, 099) are all distinct and divisible by 11 and there is no larger number with this property.
CROSSREFS
Cf. A093212, A093213, ..., A093299.
Sequence in context: A233110 A233214 A228537 * A010114 A287284 A015068
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 28 2004
EXTENSIONS
a(8)-a(10) from John Cerkan, May 20 2017
a(11) from John Cerkan, Oct 25 2017
STATUS
approved