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A093267
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 67.
0
0, 67, 938, 88442211, 22244555, 30330980880, 77070778808088, 99999979, 888818181555595959, 999999099966666606664444440444, 7777770777022222202220, 999999999978, 44444440440449999999099099, 6666666066066011111110110110, 333333333333303555555555555505
OFFSET
1,2
EXAMPLE
a(4) is 88442211 because its length-4 substrings (8844, 8442, 4422, 4221, 2211) are all distinct and divisible by 67 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A166802 A212557 A254640 * A032651 A322880 A157665
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(15) from John Cerkan, Jan 08 2018
STATUS
approved