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 A092842 #4 Mar 30 2012 17:37:41 %S A092842 1,2,3,4,7,6,5,8,9,12,17,10,11,14,13,21,15,16,19,23,22,20,24,30,31,25, %T A092842 28,29,36,18,33,35,26,27,59,34,40,37,38,41,53,32,42,50,46,43,51,39,48, %U A092842 45,44,47,57,49,63,52,61,62,55,56,65,54,67,74,88,58,75,60,69,64 %N A092842 a(n) is the solution of the equation A073666(x) = n (A073666(a(n)) = n). %C A092842 For each n number of solutions of the equation A073666(x) =n is less than 2 because the terms of the sequence A073666 are distinct. Conjecture: This sequence is infinite(see A073666). %Y A092842 Cf. A073666, A081942, A081943, A092829. %K A092842 nonn %O A092842 1,2 %A A092842 _Farideh Firoozbakht_, Apr 15 2004