%I
%S 2,12,104,1008,10016,100032,1000064,10000128,100000256,1000000512,
%T 10000001024,100000002048,1000000004096,10000000008192,
%U 100000000016384,1000000000032768,10000000000065536,100000000000131072
%N Smallest ndigit number divisible by 2^n.
%C Quotients arising from this sequence give A034478 ((5^(n1)+1)/2).
%F 10^(n1) + 2^(n1).
%F G.f.: Q(0) where Q(k)= 1 + 5^k/(1  2*x/(2*x + 5^k/Q(k+1) )); (continued fraction ).  _Sergei N. Gladkovskii_, Apr 10 2013
%Y Cf. A035014, A034478, A050622.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Jun 15 1999.
