Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #9 Sep 07 2014 08:35:18
%S 37,43,3,51,32,56,56,57,50,54,88,44,25,64,99,23,503
%N 3-adic valuation of A217410.
%C These are the exponents on 3 in numbers of the form (3^r)*(7^s) of the main sequence.
%e A217410(1)=(3^37)*(7^10), so this sequence's first term is 37.
%Y Cf. A217410, A217412.
%K nonn,base,less
%O 1,1
%A _James G. Merickel_, Oct 02 2012