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 A063044 #7 Apr 16 2023 23:03:15 %S A063044 29,668,334,167,27222,13611,4537,349,121104,60552,30276,15138,7569, %T A063044 2523,841,29,668,334,167,27222,13611,4537,349,121104,60552,30276, %U A063044 15138,7569,2523,841,29,668,334,167,27222,13611,4537,349,121104,60552,30276,15138,7569 %N A063044 Collatz-2 (A063041) trajectory starting at 29. %C A063044 a(15) = 29 = a(0); this cycle occurs less frequently than A063042 (for the first few n); other nontrivial 29-cycle in trajectory starting at 167. %F A063044 a(0) = 29 and a(n) = A063041(a(n-1)) for n > 0 %Y A063044 A063041, A063042. %K A063044 easy,nonn %O A063044 0,1 %A A063044 _Reinhard Zumkeller_, Jul 07 2001 %E A063044 More terms from _Sean A. Irvine_, Apr 16 2023