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A122532
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Set of all 9-digit numbers in which every pair of adjacent digit is a multiple of either of 2 distinct 2-digit numbers.
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0
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OFFSET
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1,1
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LINKS
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EXAMPLE
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195763842 and all its cyclically shifted versions are multiples of either 19 or 21.
923468517 is formed from 23 or 17 because 92 = 23*4, 34 = 17*2, and so on.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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Balakrishnan (bvarada2(AT)jhu.edu), Sep 17 2006
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STATUS
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approved
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