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A093235 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 35. 0
0, 700, 77000, 7770000, 8778050050, 7757750050050, 7747740005005000, 7776776000050050000, 7777977900000500500000, 7777737730000005005000000, 7777778778000000050050000000, 7777777757750000000050050000000050, 7777777747740000000005005000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..13.

Hans Havermann, Table of A093211-A093299

EXAMPLE

a(3) is 77000 because its length-3 substrings (770, 700, 000) are all distinct and divisible by 35 and there is no larger number with this property.

CROSSREFS

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

Sequence in context: A250530 A200169 A093270 * A223351 A180469 A031423

Adjacent sequences:  A093232 A093233 A093234 * A093236 A093237 A093238

KEYWORD

base,nonn

AUTHOR

Hans Havermann, Mar 28 2004

EXTENSIONS

a(11)-a(13) from John Cerkan, Oct 25 2017

STATUS

approved

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Last modified September 18 10:31 EDT 2020. Contains 337166 sequences. (Running on oeis4.)