This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A278737 #6 Nov 27 2016 21:47:44 %S A278737 1,2,21,6594,6595,6602,6603,6604,6605,6606,6609,6612,6613,6622,6623, %T A278737 6626,6627,6628,6629,6630,7499,7500,7507,7512,7513,7514,7535,7536, %U A278737 7537,27056 %N A278737 a(n) is the index of the first occurrence of n in A166006. %C A278737 These are necessarily the indices of record maxima in A166006. %H A278737 Hans Havermann, <a href="/A278737/b278737.txt">Table of n, a(n) for n = 1..10000</a> %H A278737 Hans Havermann, <a href="http://chesswanks.com/seq/b278737.txt">Table of n, a(n) for n = 1..67011</a> %e A278737 3 first occurs in A166006 at position 21, so a(3) = 21. %Y A278737 Cf. A166006, A039624, A278738. %K A278737 nonn %O A278737 1,2 %A A278737 _Hans Havermann_, Nov 27 2016