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%I #8 Sep 23 2019 05:35:51
%S 1,2,3,4,7,5,6,16,8,9,31,10,41,48,11,12,63,72,13,84,14,15,105,17,115,
%T 126,18,140,151,19,20,166,179,21,195,22,23,214,225,24,237,25,251,268,
%U 26,286,301,306,27,324,28,29,345,30,32,366,33,382,391,402,407,426,437,34,457,35,481
%N a(n) = position of n in A026236.
%K nonn
%O 1,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Sep 22 2019