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 the first n in A026409.
0

%I #8 Sep 27 2019 02:50:48

%S 1,2,3,5,7,8,11,13,16,20,24,29,32,37,38,46,50,59,61,68,76,78,91,92,

%T 105,111,112,126,136,146,159,161,164,187,203,204,219,220,237,255,257,

%U 275,284,304,323,326,354,359,360,391,406,408,449,451,478,493,495,499,544,545,548,588

%N a(n) = position of the first n in A026409.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E Corrected and extended by _Sean A. Irvine_, Sep 26 2019