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%I #12 Sep 07 2014 08:41:53
%S 25,10,20,48,10
%N 3-adic valuation of A217431.
%C A217431 consists of numbers of the form (3^r)*(13^s). This sequence holds the r values.
%Y Cf. A217431, A217433.
%K nonn,base,more
%O 1,1
%A _James G. Merickel_, Oct 03 2012
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