Search: id:A010680
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%I A010680
%S A010680 0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,
%T A010680 9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,
%U A010680 0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0,9,0
%N A010680 Decimal expansion of 1/11.
%F A010680 Period 2.
%F A010680 a(n)=9/2*[1-(-1)^n] a(n)=9*(n mod 2) - Paolo P. Lava (ppl(AT)spl.at), 
               Oct 31 2006
%Y A010680 Sequence in context: A167545 A059058 A021015 this_sequence A131566 A160576 
               A104756
%Y A010680 Adjacent sequences: A010677 A010678 A010679 this_sequence A010681 A010682 
               A010683
%K A010680 nonn
%O A010680 0,2
%A A010680 N. J. A. Sloane (njas(AT)research.att.com).

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