%I #8 Sep 27 2019 02:50:52
%S 4,6,10,12,15,19,23,25,30,36,43,45,51,54,66,67,77,87,90,99,100,124,
%T 125,135,139,145,158,178,180,196,197,201,225,241,252,256,258,283,302,
%U 303,321,327,350,383,390,405,407,426,447,459,477,520,523,542,568,569,586,611,614,615
%N Position of the second n in A026409.
%K nonn
%O 2,1
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Sep 26 2019
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