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A093214 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 14. 0
0, 98428, 7560280, 991288484424228288, 57750400406006020020, 9999782222082222, 773773000200200060060004004000, 99999998444444428888888422222228444444, 8888887706666660008888880006666660, 999999991288888888484444444424222222228288888888 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

Hans Havermann, Table of A093211-A093299

EXAMPLE

a(2) is 98428 because its length-2 substrings (98, 84, 42, 28) are all distinct and divisible by 14 and there is no larger number with this property

CROSSREFS

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

Sequence in context: A002273 A268819 A236639 * A305697 A305698 A052090

Adjacent sequences:  A093211 A093212 A093213 * A093215 A093216 A093217

KEYWORD

base,nonn

AUTHOR

Hans Havermann, Mar 28 2004

EXTENSIONS

a(9)-a(10) from John Cerkan, May 21 2017

STATUS

approved

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Last modified October 16 06:10 EDT 2019. Contains 328046 sequences. (Running on oeis4.)