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A093277 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 77. 0
0, 77, 924, 7700770, 3303388088, 99992299992, 88888803333330, 777777007777770, 999999924, 7777777700777777770 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Hans Havermann, Table of A093211-A093299

EXAMPLE

a(4) is 7700770 because its length-4 substrings (7700, 7007, 0077, 0770) are all distinct and divisible by 77 and there is no larger number with this property

CROSSREFS

Cf. A093211, A093212, ..., A093299.

Sequence in context: A205434 A125581 A176632 * A205603 A073931 A105253

Adjacent sequences:  A093274 A093275 A093276 * A093278 A093279 A093280

KEYWORD

base,nonn

AUTHOR

Hans Havermann (gladhobo(AT)teksavvy.com), Mar 29 2004

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Last modified February 16 17:11 EST 2012. Contains 205938 sequences.