

A093260


a(n) is the largest number such that all of a(n)'s lengthn substrings are distinct and divisible by 60.


0



0, 600, 96000, 9960000, 999600000, 99996000000, 9999960000000, 999999600000000, 99999996000000000, 9999999960000000000, 999999999600000000000, 99999999996000000000000, 9999999999960000000000000, 999999999999600000000000000, 99999999999996000000000000000
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OFFSET

1,2


LINKS



EXAMPLE

a(3) is 96000 because its length3 substrings (960, 600, 000) are all distinct and divisible by 60 and there is no larger number with this property.


CROSSREFS



KEYWORD

base,nonn


AUTHOR



EXTENSIONS



STATUS

approved



