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 A306600 #25 Jun 25 2021 01:40:19 %S A306600 0,1,2,3,6,14,17,19,21,22,23,29,30,36,46,59,60,64,67,94,95,97,120,122, %T A306600 133,164 %N A306600 In base 8, records for the number of 'Reverse and Add' steps needed to reach a palindrome. %C A306600 It is conjectured that if a Reverse and Add! trajectory reaches a palindrome, it will be reached in relatively few steps, or otherwise it will never reach a palindrome. %C A306600 For all n, all numbers m < A306599(n) will reach a palindrome within a(n) Reverse and Add! steps, or otherwise it is conjectured never to reach a palindrome. %Y A306600 Record setting numbers in A306599. %Y A306600 Base 10: A065198 and A065199. %K A306600 nonn,base,more %O A306600 0,3 %A A306600 _A.H.M. Smeets_, Feb 27 2019 %E A306600 a(21)-a(25) from _A.H.M. Smeets_, May 30 2019