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 A334508 #13 May 11 2020 19:29:31 %S A334508 2,2,1,2,30,18,126,2,504,430,979,18,676,2198,2340,976,78812,3756, %T A334508 183920,142580,352884,122870,1358104,56544,2777040,4511,44568603, %U A334508 304913,463347935,5921860,855372646,26636800,3315517623,2359940,24752893585,135322524,8049125817,535150200,132932362849 %N A334508 Eventual period of a single cell in rule 45 cellular automaton in a cyclic universe of width n. %C A334508 _Bradley Klee_ computed a(1)-a(10). %D A334508 Bradley Klee, Posting to Math Fun Mailing List, Apr 26 2020 %H A334508 Bert Dobbelaere, <a href="/A334508/b334508.txt">Table of n, a(n) for n = 1..46</a> %Y A334508 Cf. A180001, A334496, A334499-A334515. %K A334508 nonn %O A334508 1,1 %A A334508 _N. J. A. Sloane_, May 05 2020 %E A334508 a(11)-a(16) from _Jinyuan Wang_, May 09 2020 %E A334508 More terms from _Bert Dobbelaere_, May 11 2020