A093260 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 60.

0, 600, 96000, 9960000, 999600000, 99996000000, 9999960000000, 999999600000000, 99999996000000000, 9999999960000000000, 999999999600000000000, 99999999996000000000000, 9999999999960000000000000, 999999999999600000000000000, 99999999999996000000000000000

Offset

1,2

Links

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

Hans Havermann, Table of A093211-A093299

Example

a(3) is 96000 because its length-3 substrings (960, 600, 000) are all distinct and divisible by 60 and there is no larger number with this property.

Crossrefs

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

Sequence in context: A386814 A023915 A035850 * A008689 A126835 A020370

Adjacent sequences: A093257 A093258 A093259 * A093261 A093262 A093263

Keyword

base,nonn

Author

Hans Havermann, Mar 29 2004

Extensions

a(9)-a(15) from John Cerkan, Jan 08 2018

Status

approved