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A093238
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 38.
0
0, 76, 7988, 17106460, 70072200266006, 990090440040660060, 99998902222620, 99999964, 999999982, 77777773006666666800, 6666666636688888888488, 999999909990666666606660444444404440, 66666666665062222222222802, 5555555500005044444444000040
OFFSET
1,2
EXAMPLE
a(4) is 17106460 because its length-4 substrings (1710, 7106, 1064, 0646, 6460) are all distinct and divisible by 38 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A098606 A093276 A184290 * A185984 A289227 A028480
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 28 2004
EXTENSIONS
a(11)-a(14) from John Cerkan, Oct 27 2017
STATUS
approved