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 A368130 #9 Jan 06 2024 15:54:22 %S A368130 1,8,12,24,156,72,216,1836,624,168,1752,264,16380,4824,1560,13080, %T A368130 2232,128844,35040,12456,92952,17064,945756,244584 %N A368130 A variant of A367894 with application of the distance minimization to the second of two symmetrized versions of the strip bijection between two square lattices as described in A368126. %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_start.txt">Examples of points at minimum radius</a>. %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130.pdf">Illustration of the orbits corresponding to the terms a(2)-a(17)</a>, (2023). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_128844.pdf">Illustration of the orbit with L=128844 corresponding to a(18)</a>, (2023). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_35040.pdf">Illustration of the orbit with L=35040 corresponding to a(19)</a>, (2024). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_12456.pdf">Illustration of the orbit with L=12456 corresponding to a(20)</a>, (2024). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_92952.pdf">Illustration of the orbit with L=92952 corresponding to a(21)</a>, (2024). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_17064.pdf">Illustration of the orbit with L=17064 corresponding to a(22)</a>, (2024). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_945756.pdf">Illustration of the orbit with L=945756 corresponding to a(23)</a>, showing only every 11th visited point, (2024). %H A368130 Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368130_244584.pdf">Illustration of the orbit with L=244584 corresponding to a(24)</a>, showing only every 11th visited point, (2024). %Y A368130 Cf. A307110, A367150, A367894, A368126, A368129. %Y A368130 A permutation of A368129. %Y A368130 A368125 is the analog for the first symmetrized version of the strip bijection. %K A368130 nonn,more %O A368130 1,2 %A A368130 _Hugo Pfoertner_, Dec 30 2023