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A093266
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 66.
0
0, 66, 7924, 8844884, 77748444, 88882288882, 77777704444440, 888888668888886, 777777000444444000, 8888888844888888884, 7777770000044444400000, 88888888882288888888882, 77777777777704444444444440, 888888888888668888888888886, 777777777777000444444444444000
OFFSET
1,2
EXAMPLE
a(4) is 8844884 because its length-4 substrings (8844, 8448, 4488, 4884) are all distinct and divisible by 66 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A099639 A003555 A283222 * A282247 A197439 A127706
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(15) from John Cerkan, Jan 08 2018
STATUS
approved