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 A354464 #77 Dec 09 2023 20:47:03 %S A354464 0,0,0,1,4,3,0,11,35,62,108,182,273,195,17,1131,3976,7464,13970,26413, %T A354464 50049,95638,182763,350249,671304 %N A354464 Number of distinct bracelets of length n (A000029) that eventually result in a cycle with length 2 or greater when used as the starting conditions for a rule 18 cellular automaton in a cyclic universe of circumference n. %e A354464 For n = 4, the six bracelets are 0000, 1000, 1100, 1010, 1110, 1111. a(4)=1 because only 1100 eventually enters a cycle that is not 0000 -> 0000. %Y A354464 Cf. A000029. %K A354464 nonn,more %O A354464 1,5 %A A354464 _Angelo Rosso_, Jul 27 2022 %E A354464 Definition clarified and corrected by _Angelo Rosso_, Nov 02 2023 %E A354464 Term 2 corrected by _Angelo Rosso_, Nov 02 2023 %E A354464 a(21)-a(25) from _Pontus von Brömssen_, Nov 03 2023