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A093256
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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 56.
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0
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0, 56, 67280, 90728008, 773360088, 88877688800, 57750008008000, 77774704000080080000, 77777677600000800800000, 77777790720000008008000000, 77773773000000080080000000, 88888888788088888888088088888888, 77777757750000000008008000000000
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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 67280 because its length-3 substrings (672, 728, 280) are all distinct and divisible by 56 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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