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A093288
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 88.
0
0, 88, 3528, 8800880, 3300088000, 88880088880, 33330008888000, 888888008888880, 333333000888888000, 8888888800888888880, 3333333300088888888000, 88888888880088888888880, 33333333330008888888888000, 888888888888008888888888880, 333333333333000888888888888000
OFFSET
1,2
EXAMPLE
a(4) is 8800880 because its length-4 substrings (8800, 8008, 0088, 0880) are all distinct and divisible by 88 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A107422 A210006 A194491 * A017804 A035739 A035807
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(9)-a(13) from John Cerkan, Jul 01 2017
a(14)-a(15) from John Cerkan, Jan 04 2018
STATUS
approved