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A025689 Exponent of 10 (value of j) in n-th number of form 7^i*10^j. 0

%I #5 Mar 30 2012 18:35:26

%S 0,0,1,0,1,2,0,1,2,3,0,1,2,3,4,0,1,2,3,4,5,0,1,2,3,4,5,0,6,1,2,3,4,5,

%T 0,6,1,7,2,3,4,5,0,6,1,7,2,8,3,4,5,0,6,1,7,2,8,3,9,4,5,0,6,1,7,2,8,3,

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

%N Exponent of 10 (value of j) in n-th number of form 7^i*10^j.

%K nonn

%O 1,6

%A _David W. Wilson_

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Last modified April 19 09:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)