A039937 - OEIS

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A039937

Smallest k for which k, 2k, ... nk all contain the digit 6.

6, 63, 563, 1563, 1632, 3216, 12316, 23266, 66321, 66321, 76923, 76923, 156328, 280692, 566331, 566331, 566331, 2307692, 2307692, 2307692, 2307692, 2307692, 2307692, 2307692, 2307692, 11533664, 23306676, 23306676, 23306676, 23306676

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

a(197) > 10^12. - Giovanni Resta, Apr 27 2017

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..196

EXAMPLE

a(2)=63 since 63 and 126 contain a 6.

CROSSREFS

Cf. A039932, A039933, A039934, A039935, A039936, A039938, A039939, A039940.

Sequence in context: A053535 A268220 A272495 * A134112 A071588 A001261