A093268 a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 68.

0, 68, 3408, 10204080, 77792888, 888080444040, 55505008880800, 9990900088808000, 666663636888884848, 222220022044444004408888800880, 7777700770044444004400, 999999999936, 55555505555004444440444400, 9999999999190044444444448400, 666666666606660444444444404440

Offset

1,2

Links

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

Hans Havermann, Table of A093211-A093299

Example

a(4) is 10204080 because its length-4 substrings (1020, 0204, 2040, 0408, 4080) are all distinct and divisible by 68 and there is no larger number with this property.

Crossrefs

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

Sequence in context: A017731 A204298 A281556 * A231250 A159361 A004298

Adjacent sequences: A093265 A093266 A093267 * A093269 A093270 A093271

Keyword

base,nonn

Author

Hans Havermann, Mar 29 2004

Extensions

a(11)-a(15) from John Cerkan, Jan 08 2018

Status

approved