%I #4 Mar 30 2012 18:56:06
%S 7,13,32,38,51,57,76,82,95,101,120,126,139,145,164,170,189,208,214,
%T 233,252,258,277,296,302,321,340,346,365,371,384,390,409,415,428,434,
%U 453,459,472,478,497,503,516,522,541,547,566,585
%N a(n) = n-th nonnegative integer k satisfying sin(k) < cos(k) < sin(k+1).
%K nonn
%O 1,1
%A _Clark Kimberling_