A093213 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 13.

0, 9139, 98845598, 993211963315993, 5505577077220228808866066, 99998699998, 66666608888880222222077777705555550, 9999999133333339111111139999999, 99999998844444445599999998, 999999993211111111963333333315999999993

Offset

1,2

Links

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

Hans Havermann, Table of A093211-A093299

Example

a(2) is 9139 because its length-2 substrings (91, 13, 39) are all distinct and divisible by 13 and there is no larger number with this property

Crossrefs

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

Sequence in context: A184381 A251376 A253031 * A205922 A256766 A210140

Adjacent sequences: A093210 A093211 A093212 * A093214 A093215 A093216

Keyword

base,nonn

Author

Hans Havermann, Mar 28 2004

Status

approved