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 A334512 #17 May 11 2020 19:30:37 %S A334512 2,2,2,2,6,2,14,4,14,6,62,2,42,14,30,8,30,14,1022,12,126,62,4094,4, %T A334512 2046,42,1022,28,32766,30,62,16,62,30,8190,28,58254,1022,8190,24,2046, %U A334512 126,254,124,8190,4094,16777214,8,4194302,2046,510,84,134217726,1022,2097150,56,1022,32766 %N A334512 Eventual period of a single cell in rule 105 cellular automaton in a cyclic universe of width n. %C A334512 _Bradley Klee_ computed a(1)-a(10). %D A334512 Bradley Klee, Posting to Math Fun Mailing List, Apr 26 2020 %H A334512 Bert Dobbelaere, <a href="/A334512/b334512.txt">Table of n, a(n) for n = 1..82</a> %Y A334512 Cf. A180001, A334496, A334499-A334515. %K A334512 nonn %O A334512 1,1 %A A334512 _N. J. A. Sloane_, May 05 2020 %E A334512 a(11)-a(20) from _Jinyuan Wang_, May 09 2020 %E A334512 a(21)-a(28) from _Vaclav Kotesovec_, May 10 2020 %E A334512 More terms from _Bert Dobbelaere_, May 11 2020