

A093277


a(n) is the largest number such that all of a(n)'s lengthn substrings are distinct and divisible by 77.


0



0, 77, 924, 7700770, 3303388088, 99992299992, 88888803333330, 777777007777770, 999999924, 7777777700777777770, 3333333303388888888088, 99999999992299999999992, 88888888888803333333333330, 777777777777007777777777770, 999999999999924
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


LINKS

Table of n, a(n) for n=1..15.
Hans Havermann, Table of A093211A093299


EXAMPLE

a(4) is 7700770 because its length4 substrings (7700, 7007, 0077, 0770) are all distinct and divisible by 77 and there is no larger number with this property.


CROSSREFS

Cf. A093211, A093212, ..., A093299.
Sequence in context: A205434 A125581 A176632 * A217643 A205603 A073931
Adjacent sequences: A093274 A093275 A093276 * A093278 A093279 A093280


KEYWORD

base,nonn


AUTHOR

Hans Havermann, Mar 29 2004


EXTENSIONS

a(11)a(12) from John Cerkan, Jul 17 2017
a(13)a(15) from John Cerkan, Jan 05 2018


STATUS

approved



