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 A063045 #10 Apr 17 2023 02:09:19 %S A063045 36,36,36,36,36,36,36,36,36,144,36,144,36,36,36,5184,36,324,36,36,144, %T A063045 5184,36,36,144,36,36,121104,36,900,36,144,5184,36,36,5184,324,144,40, %U A063045 5184,42,1764,144,45,5184 %N A063045 Largest value in Collatz-2 (A063041) trajectory starting at n. %C A063045 a(47) currently unknown but large (see A280707). - _Sean A. Irvine_, Apr 16 2023 %e A063045 a(3) = 36 (see A063042), a(17) = 5184 (see A063043), a(29) = 121104 (see A063044) %Y A063045 Cf. A063041, A063042, A063043, A063044, A025586, A280707. %K A063045 nonn,more %O A063045 2,1 %A A063045 _Reinhard Zumkeller_, Jul 07 2001 %E A063045 a(40), a(42) and a(45) corrected by _Sean A. Irvine_, Apr 16 2023