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A039939
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Smallest k for which k, 2k, ... nk all contain the digit 8.
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9
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8, 84, 284, 2842, 8937, 8964, 8964, 85964, 89641, 89641, 89641, 89729, 296984, 429817, 897299, 897299, 897299, 897299, 897299, 897299, 897299, 897299, 897299, 8697299, 9897947, 9929817, 9929817, 9929817, 9929817, 9929817, 9929817
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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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a(2)=84 since 84 and 168 contain a 8.
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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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