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Least multiple of n in which the n-th digit from left is 1.
8

%I #4 Dec 05 2013 19:57:06

%S 1,110,111,10012,100010,1000014,1000041,100000016,100000071,

%T 10000000010,10000000021,1000000000116,1000000000051,100000000000012,

%U 1000000000000110,10000000000000016,10000000000000101,1000000000000000116

%N Least multiple of n in which the n-th digit from left is 1.

%e a(4)= 10012, in which the fourth digit is 1.

%Y Cf. A113557.

%K base,easy,nonn

%O 1,2

%A _Amarnath Murthy_, Nov 06 2005

%E More terms from _Joshua Zucker_, May 03 2006