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3-adic valuation of A217410.
2

%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