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 A334504 #17 Sep 04 2024 13:17:26 %S A334504 1,1,6,1,20,2,28,1,72,6,88,4,104,14,120,1,272,14,304,12,336,62,368,8, %T A334504 400,126,432,28,464,30,496,1,1056,30,1120,28,1184,1022,1248,24,1312, %U A334504 126,1376,124,1440,4094,1504,16,1568,2046,1632,252,1696,1022,1760 %N A334504 Eventual period of a single cell in rule 26 cellular automaton in a cyclic universe of width n. %C A334504 _Bradley Klee_ computed a(1)-a(10). %D A334504 Bradley Klee, Posting to Math Fun Mailing List, Apr 26 2020 %H A334504 Bert Dobbelaere, <a href="/A334504/b334504.txt">Table of n, a(n) for n = 1..120</a> %F A334504 It seems that a(2*n+2) = A268754(n) and a(2*n+1) = (2*n+1) * 2^A070939(n) = A363121(n+1)/2 for n > 0. - _Andrey Zabolotskiy_, Sep 04 2024 %Y A334504 Cf. A180001, A334496, A334499-A334515, A070939, A268754, A363121. %K A334504 nonn %O A334504 1,3 %A A334504 _N. J. A. Sloane_, May 05 2020 %E A334504 a(11)-a(40) from _Jinyuan Wang_, May 09 2020 %E A334504 More terms from _Bert Dobbelaere_, May 09 2020