login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

a(n) = position of n in A026236.
0

%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