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A093285
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 85.
0
0, 85, 4255, 9945, 99960, 999940, 11101005550500, 99999950, 888800800555500500, 9999999930, 99999999980, 333333033330555555055550, 22222222020205555555505050, 7777777707070055555555050500, 999999999999920, 5555555555500050555555555550005, 9999999999999999055555555555555550
OFFSET
1,2
EXAMPLE
a(7) is 11101005550500 because its length-7 substrings (1110100, 1101005, 1010055, 0100555, 1005550, 0055505, 0555050, 5550500) are all distinct and divisible by 85 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A017748 A158796 A201796 * A011813 A006106 A015338
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(13) from John Cerkan, Jul 05 2017
a(14)-a(17) from John Cerkan, Jan 04 2018
STATUS
approved