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A025639 Exponent of 2 (value of i) in n-th number of form 2^i*10^j. 1

%I

%S 0,1,2,3,0,4,1,5,2,6,3,0,7,4,1,8,5,2,9,6,3,0,10,7,4,1,11,8,5,2,12,9,6,

%T 3,13,0,10,7,4,14,1,11,8,5,15,2,12,9,6,16,3,13,0,10,7,17,4,14,1,11,8,

%U 18,5,15,2,12,9,19,6,16,3,13,0,10,20,7,17,4,14,1,11,21,8,18,5,15,2,12,22,9,19

%N Exponent of 2 (value of i) in n-th number of form 2^i*10^j.

%K nonn

%O 1,3

%A _David W. Wilson_

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Last modified August 12 13:34 EDT 2022. Contains 356077 sequences. (Running on oeis4.)