A039939 Smallest k for which k, 2k, ... nk all contain the digit 8.

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

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