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 A036225 #13 Jun 24 2019 15:50:54 %S A036225 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, %T A036225 1,1,1,1,1,1,2,1,1,1,1,1,2,2,2,2,3,1,1,1,1,1,2,3,3,3,2,1,1,1,2,2,1,3, %U A036225 2,2,2,1,1,1,2,3,3,1,2,2,2,1,1,1,2,3,2,2,1,2,2,1,1,1,2,3,2,2,2,1,1 %N A036225 Length of cycle the 'summarize the previous term' sequence gets into. %C A036225 For n <= 10^7, a(n) <= 3. - _A.H.M. Smeets_, Jun 24 2019 %H A036225 A.H.M. Smeets, <a href="/A036225/b036225.txt">Table of n, a(n) for n = 0..20000</a> %e A036225 a(0)=1 because the 'Summarize the previous term' starting with 0 becomes constant and a(40)=2 because starting with 40 it gets into a cycle of two. %Y A036225 Cf. A007890, A036058, A036212. %K A036225 base,nonn %O A036225 0,41 %A A036225 _Floor van Lamoen_