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Iterations during which LQTL cellular automaton passes through the origin.
2

%I #13 Jan 06 2023 20:49:40

%S 4,8,12,28,32,36,40,56,60,64,68,72,76,116,120,136,140,144,148,152,164,

%T 168,172,180,184,224,228,232,236,240,244,332,336,376,380,384,388,392,

%U 396,412,416,420,424,440,444,448,452,456,460,500,504,592,596,600,604

%N Iterations during which LQTL cellular automaton passes through the origin.

%H 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 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 Cf. A094266, A094867, A099423.

%Y Cumulative sums of A102127.

%K easy,nonn

%O 1,1

%A _Robert H Barbour_, Feb 14 2005

%E Terms a(19) and beyond from _Andrey Zabolotskiy_, Jan 06 2023