%I #2 Apr 30 2014 01:30:12
%S 0,2,0,1,0,3,1,0,2,0,1,4,0,0,2,1,0,3,1,2,0,0,5,1,0,1,3,0,0,2,1,0,4,2,
%T 0,3,1,0,0,1,6,0,2,0,0,1,2,0,4,1,0,1,3,0,2,1,5,0,0,0,3,1,0,0,4,0,2,1,
%U 1,2,0,7,0,1,3,0,0,1,1,2,0,0,3,0,1,5,0,2,1,0,2,0,4,1,0,0,3,2,0,6,0,1
%N Exponent of 2 in A093641(n).
%C Write down all numbers of form 2^i*prime(j), j>i>=0, sort them, then extract i.
%Y Equals A007814(A093641(n)).
%K nonn
%O 1,2
%A _Ralf Stephan_, May 06 2005
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