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A220491
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The smallest n-digit number whose last k digits are divisible by k for k = 1..n.
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2
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0, 10, 102, 1000, 10000, 102000, 1000300, 10000000, 102000600, 1000000000, 10000108360, 102000060480, 1000006930000, 10000063165960, 102000042276960, 1000000000000000, 10000000141981840, 102000006021375360, 1000000081060819840, 10000000000000000000
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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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There are ten one-digit numbers divisible by 1, and the smallest is 0, so a(1) = 0.
For two-digit numbers, the ones digit must be divisible by 2 which gives 10 as the smallest to satisfy the requirement. So a(2) = 10.
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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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EXTENSIONS
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STATUS
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approved
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