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%I #4 Mar 30 2012 18:56:06
%S 0,1,4,7,10,13,16,19,20,22,23,26,29,32,35,38,41,42,44,45,48,51,54,57,
%T 60,63,64,66,67,70,73,76,79,82,85,86,88,89,92,95,98,101,104,107,108,
%U 110,111,114,117,120,123,126,129,130,132,133,136
%N a(n) = n-th nonnegative integer k satisfying |cos(k)*cos(k+2)| > (cos(k+1))^2.
%K nonn
%O 1,3
%A _Clark Kimberling_
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