%I #9 Sep 07 2014 08:23:18
%S 5,3,16,12,25,19,16,13,31,50,501
%N 11-adic valuation of A217413.
%C These are the exponents on 11 in numbers of the form (2^r)*(11^s) in the main sequence.
%e A217413(1) = (2^71) * (11^5), so this sequence's first term is 5.
%Y Cf. A217413, A217414.
%K nonn,base,less
%O 1,1
%A _James G. Merickel_, Oct 02 2012
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