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A025665 Exponent of 7 (value of j) in n-th number of form 3^i*7^j. 0

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

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

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

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

%N Exponent of 7 (value of j) in n-th number of form 3^i*7^j.

%K nonn

%O 1,7

%A _David W. Wilson_

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