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A093271
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 71.
0
0, 71, 1426, 6603550, 9009940044, 800880400440200220100110, 10111115055555, 3300030388000808, 111110101333330303999990909, 55555050508888808080, 555550505009999909090022222020200, 888888888084222222222021, 22222022202205555505550550
OFFSET
1,2
EXAMPLE
a(4) is 6603550 because its length-4 substrings (6603, 6035, 0355, 3550) are all distinct and divisible by 71 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A241940 A254872 A198449 * A201608 A225741 A049295
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(13) from John Cerkan, Jan 08 2018
STATUS
approved