A093225 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 25.

0, 7500, 975000, 99750000, 9997500000, 999975000000, 99999750000000

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Hans Havermann, Table of A093211-A093299

Example

a(2) is 7500 because its length-2 substrings (75, 50, 00) are all distinct and divisible by 25 and there is no larger number with this property

Crossrefs

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

Sequence in context: A258612 A258605 A258604 * A090742 A273382 A186938

Adjacent sequences: A093222 A093223 A093224 * A093226 A093227 A093228

Keyword

base,nonn

Author

Hans Havermann, Mar 28 2004

Status

approved