A093272 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 72.

0, 72, 9360, 993600, 889928800, 98899208800, 9988992008800, 999889920008800, 99998899200008800, 88888898888888880888888888, 98888889888088888808880888888, 99888888988800888888088800888888, 99988888898880008888880888000888888

Offset

1,2

Links

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

Hans Havermann, Table of A093211-A093299

Example

a(4) is 993600 because its length-4 substrings (9936, 9360, 3600) are all distinct and divisible by 72 and there is no larger number with this property.

Crossrefs

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

Sequence in context: A283093 A178635 A271189 * A105347 A093236 A146500

Adjacent sequences: A093269 A093270 A093271 * A093273 A093274 A093275

Keyword

base,nonn

Author

Hans Havermann, Mar 29 2004

Extensions

a(11)-a(13) from John Cerkan, Jan 08 2018

Status

approved