%I #6 Mar 30 2012 18:55:49
%S 1,1,2,3,6,9,15,23,37,58,91,143,225,354,556,874,1373,2157,3389,5324,
%T 8363,13137,20636,32415,50918,79982,125636,197349,309996,486941,
%U 764885,1201479,1887278,2964530,4656673,7314686,11489882,18048264
%N [ (Pi/2)^n ].
%K nonn
%O 0,3
%A _Clark Kimberling_
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