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A025711 Index of 5^n within sequence of numbers of form 5^i*10^j. 0

%I

%S 1,2,4,7,10,14,19,24,30,37,44,52,61,71,81,92,104,116,129,143,157,172,

%T 188,205,222,240,259,278,298,319,340,362,385,409,433,458,484,510,537,

%U 565,593,622,652,683,714,746,779,812,846,881,916,952,989,1027,1065,1104,1144

%N Index of 5^n within sequence of numbers of form 5^i*10^j.

%K nonn

%O 1,2

%A _David W. Wilson_

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Last modified October 15 12:31 EDT 2019. Contains 328026 sequences. (Running on oeis4.)