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A039939 Smallest k for which k, 2k, ... nk all contain the digit 8. 9
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; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..262

EXAMPLE

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

CROSSREFS

Cf. A039932, A039933, A039934, A039935, A039936, A039937, A039938, A039940.

Sequence in context: A232226 A238811 A307829 * A199907 A264710 A143868

Adjacent sequences:  A039936 A039937 A039938 * A039940 A039941 A039942

KEYWORD

base,nonn

AUTHOR

Erich Friedman

EXTENSIONS

More terms from Patrick De Geest, Oct 15 1999

STATUS

approved

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Last modified May 28 17:20 EDT 2020. Contains 334684 sequences. (Running on oeis4.)