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A093260
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a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 60.
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0
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0, 600, 96000, 9960000, 999600000, 99996000000, 9999960000000, 999999600000000, 99999996000000000, 9999999960000000000, 999999999600000000000, 99999999996000000000000, 9999999999960000000000000, 999999999999600000000000000, 99999999999996000000000000000
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(3) is 96000 because its length-3 substrings (960, 600, 000) are all distinct and divisible by 60 and there is no larger number with this property.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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