A093299 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 99.

0, 99, 990, 9900990, 99990, 99990099990, 9999990, 999999009999990, 999999990, 9999999900999999990, 99999999990, 99999999990099999999990, 9999999999990

Offset

1,2

Links

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

Hans Havermann, Table of A093211-A093299

Example

a(4) is 9900990 because its length-4 substrings (9900, 9009, 0099, 0990) are all distinct and divisible by 99 and there is no larger number with this property.

Crossrefs

Cf. A093211, A093212, ..., A093298.

Sequence in context: A223157 A223155 A308466 * A196645 A196600 A074786

Adjacent sequences: A093296 A093297 A093298 * A093300 A093301 A093302

Keyword

base,nonn,more

Author

Hans Havermann, Mar 29 2004

Extensions

a(9)-a(13) from John Cerkan, Jun 14 2017

Status

approved