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 A136499 #2 Mar 30 2012 18:57:10 %S A136499 1,2,4,6,7,8,9,10,12,13,14,16,18,20,21,23,25,26,27,28,30,31,33,34,36, %T A136499 37,38,39,41,42,43,44,46,47,48,50,51,53,54,55,56,58,59,60,61,63,65,67, %U A136499 69,70,71,72,74,76,77,78,79,81,83,84,85,86,88,90,91,93,95,96,97,99,100,102 %N A136499 Solution of the complementary equation b(n)=a(a(n))+a(n)+1; this is the sequence a. Sequence b is A136500. %D A136499 Clark Kimberling, "Complementary Equations," Journal of Integer Sequences 10 (2007) Article 07.1.4, 1-14. %e A136499 b(1) = a(a(1))+a(1)+1 = 1+1+1 = 3; %e A136499 b(2) = a(a(2))+a(2)+1 = 2+2+1 = 5; %e A136499 b(3) = a(a(3))+a(3)+1 = 6+4+1 = 11. %Y A136499 Cf. A136500. %K A136499 nonn %O A136499 1,2 %A A136499 _Clark Kimberling_, Jan 01 2008