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%I #42 Feb 20 2019 09:56:29
%S 1,0,0,3,0,1,3,0,8,9,0,11,0,0,14,0,0,0,0,0,0,0,0,23,21,0,0,0,0,29,30,
%T 0,0,0,0,0,4,0,3,0,0,0,0,0,22,3,0,0,48,0,2,17,0,0,54,0,56,0,0,0,11,0,
%U 0,21,0,65,9,0,4,23,0,3,0,0,74,0,0,0,39,0,33,0
%N a(n) = smallest m such that 2n-1 | 10^m+1, or 0 if no such m exists.
%H V. Raman, <a href="/A216416/b216416.txt">Table of n, a(n) for n = 1..99</a>.
%o (PARI) for(i=0,200,i++;m=0;for(x=1,i,if(((10^x+1))%i==0,m=x;break));print1(m",")) \\ _V. Raman_, Nov 22 2012
%Y Cf. A002326.
%K nonn
%O 1,4
%A _V. Raman_, Sep 07 2012
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