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 A102110 #13 Jan 06 2023 20:49:40 %S A102110 4,8,12,28,32,36,40,56,60,64,68,72,76,116,120,136,140,144,148,152,164, %T A102110 168,172,180,184,224,228,232,236,240,244,332,336,376,380,384,388,392, %U A102110 396,412,416,420,424,440,444,448,452,456,460,500,504,592,596,600,604 %N A102110 Iterations during which LQTL cellular automaton passes through the origin. %H A102110 Robert H. Barbour, <a href="https://www.complex-systems.com/abstracts/v17_i02_a01/">Two-dimensional Four Color Cellular Automaton: Surface Explorations</a>, Complex Systems, 17 (2007), 103-112. %H A102110 Palash Sarkar, <a href="https://doi.org/10.1145/349194.349202">A Brief History of Cellular Automata</a>, ACM Computing Surveys, Vol. 32 (2000), No. 1 March, p. 80-107. %Y A102110 Cf. A094266, A094867, A099423. %Y A102110 Cumulative sums of A102127. %K A102110 easy,nonn %O A102110 1,1 %A A102110 _Robert H Barbour_, Feb 14 2005 %E A102110 Terms a(19) and beyond from _Andrey Zabolotskiy_, Jan 06 2023