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A093247
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 47.
0
0, 947, 4705, 80846063, 99969, 772727889898, 9999955, 222200027777000711110001, 999999965, 99999999791111111161, 99999999978, 999999000090666666000060444444000040, 55555500505552222220020222, 2222222222200288888888888008, 666666666660060555555555550050
OFFSET
1,2
EXAMPLE
a(4) is 80846063 because its length-4 substrings (8084, 0846, 8460, 4606, 6063) are all distinct and divisible by 47 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A351806 A119240 A257722 * A248785 A199924 A215950
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(15) from John Cerkan, Jan 08 2018
STATUS
approved