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A093242 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 42. 0
0, 842, 50420, 21008400, 99960, 88884688884, 99999906666660, 8888880022222200, 555555000222222000, 22222221008888888400, 99999999960, 88888888884688888888884, 99999999999906666666666660, 8888888888880022222222222200, 555555555555000222222222222000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

Hans Havermann, Table of A093211-A093299

EXAMPLE

a(3) is 50420 because its length-3 substrings (504, 042, 420) are all distinct and divisible by 42 and there is no larger number with this property.

CROSSREFS

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

Sequence in context: A004929 A031736 A154473 * A031527 A252568 A045243

Adjacent sequences:  A093239 A093240 A093241 * A093243 A093244 A093245

KEYWORD

base,nonn

AUTHOR

Hans Havermann, Mar 28 2004

EXTENSIONS

a(11)-a(15) from John Cerkan, Jan 09 2018

STATUS

approved

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Last modified January 27 16:41 EST 2022. Contains 350611 sequences. (Running on oeis4.)