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%I #8 Apr 27 2017 18:47:16
%S 6,63,563,1563,1632,3216,12316,23266,66321,66321,76923,76923,156328,
%T 280692,566331,566331,566331,2307692,2307692,2307692,2307692,2307692,
%U 2307692,2307692,2307692,11533664,23306676,23306676,23306676,23306676
%N Smallest k for which k, 2k, ... nk all contain the digit 6.
%C a(197) > 10^12. - _Giovanni Resta_, Apr 27 2017
%H Giovanni Resta, <a href="/A039937/b039937.txt">Table of n, a(n) for n = 1..196</a>
%e a(2)=63 since 63 and 126 contain a 6.
%Y Cf. A039932, A039933, A039934, A039935, A039936, A039938, A039939, A039940.
%K base,nonn
%O 1,1
%A _Erich Friedman_
%E More terms from _Patrick De Geest_, Oct 15 1999