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A093252
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 52.
0
0, 52, 9884, 7072808, 2210088400, 88800488800, 66666608888880, 99999952, 999999000444444000, 77777700008888880000, 2222222210088888888400, 88888888800488888888800, 66666666666608888888888880, 99999999999952, 999999999999000444444444444000
OFFSET
1,2
EXAMPLE
a(4) is 7072808 because its length-4 substrings (7072, 0728, 7280, 2808) are all distinct and divisible by 52 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A219565 A294507 A209500 * A251990 A209741 A209462
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(15) from John Cerkan, Jan 08 2018
STATUS
approved