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 A269024 #16 Mar 01 2016 23:05:55 %S A269024 0,1,2,2,2,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, %T A269024 4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, %U A269024 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5 %N A269024 a(n) = A269020(n) - n. %C A269024 Same as subtracting the index (n) from the output (a(n)) in A269020. %F A269024 a(n) = either a(n-1) or a(n-1)+1. %F A269024 When a(n) = a(n-1)+1, a(n) = A269023(a(n)) - n + 1. %e A269024 a(20)=4 because A269020(20) = 24, and 24-20=4. %e A269024 a(5)=2, a(6)=3 and A269023(3)=8, so a(6) = 8-6+1 = 3. %Y A269024 Cf. A269020, A269023. %K A269024 nonn %O A269024 1,3 %A A269024 _Bob Selcoe_, Feb 18 2016