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2-adic valuation of A217413.
2

%I #10 Sep 07 2014 08:22:44

%S 71,79,44,70,28,53,67,80,29,21,1653

%N 2-adic valuation of A217413.

%C These are the exponents on 2 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 71.

%Y Cf. A217413, A217415.

%K nonn,base,less

%O 1,1

%A _James G. Merickel_, Oct 02 2012