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Search: id:A039939
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A039939 Smallest k for which k, 2k, ... nk all contain the digit 8. +0
1
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 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(2)=84 since 84 and 168 contain a 8.

CROSSREFS

Sequence in context: A068173 A069635 A069620 this_sequence A143868 A130591 A048665

Adjacent sequences: A039936 A039937 A039938 this_sequence A039940 A039941 A039942

KEYWORD

base,nonn

AUTHOR

Erich Friedman (erich.friedman(AT)stetson.edu)

EXTENSIONS

More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1999.

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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