A093244 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 44.

0, 88, 70440, 8844884, 7700044000, 88884488884, 77770004444000, 888888448888884, 777777000444444000, 8888888844888888884, 7777777700044444444000, 88888888884488888888884, 77777777770004444444444000, 888888888888448888888888884, 777777777777000444444444444000

Offset

1,2

Links

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

Hans Havermann, Table of A093211-A093299

Example

a(3) is 70440 because its length-3 substrings (704, 044, 440) are all distinct and divisible by 44 and there is no larger number with this property.

Crossrefs

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

Sequence in context: A159718 A157460 A267917 * A079036 A159420 A093222

Adjacent sequences: A093241 A093242 A093243 * A093245 A093246 A093247

Keyword

base,nonn

Author

Hans Havermann, Mar 29 2004

Extensions

a(9)-a(15) from John Cerkan, Jan 09 2018

Status

approved