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A093261
a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 61.
0
0, 61, 8549, 9943, 99003660024400, 700707600606, 55055558808888, 8888480866663606, 550555500770777700, 555055500599909990094440444004, 7777700000744444000004, 999999999942, 8888880008888444444000444422222200022221111110001111, 1111110111100155555505555005
OFFSET
1,2
EXAMPLE
a(5) is 99003660024400 because its length-5 substrings (99003, 90036, 00366, 03660, 36600, 66002, 60024, 00244, 02440, 24400) are all distinct and divisible by 61 and there is no larger number with this property.
CROSSREFS
Cf. A093211, A093212, ..., A093299.
Sequence in context: A210686 A103915 A090823 * A062638 A261238 A197105
KEYWORD
base,nonn
AUTHOR
Hans Havermann, Mar 29 2004
EXTENSIONS
a(11)-a(14) from John Cerkan, Jan 08 2018
STATUS
approved