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A093257
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 57.
0
0, 57, 22855, 775244, 8800855005, 770070110010, 9999966, 99999945, 999999963, 9999999972, 99999999948, 999999991101666666667707, 99999999500553333333380088, 4444444404404477777777077077, 555555550550550222222220220220, 22222222222202018888888888880804
OFFSET
1,2
EXAMPLE
a(3) is 22855 because its length-3 substrings (228, 285, 855) are all distinct and divisible by 57 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A094777 A218662 A331015 * A210148 A261948 A069255
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(16) from John Cerkan, Jan 08 2018
STATUS
approved