A102110 Iterations during which LQTL cellular automaton passes through the origin.

4, 8, 12, 28, 32, 36, 40, 56, 60, 64, 68, 72, 76, 116, 120, 136, 140, 144, 148, 152, 164, 168, 172, 180, 184, 224, 228, 232, 236, 240, 244, 332, 336, 376, 380, 384, 388, 392, 396, 412, 416, 420, 424, 440, 444, 448, 452, 456, 460, 500, 504, 592, 596, 600, 604

Offset: 1

Author

Robert H Barbour, Feb 14 2005

Keywords

• easy
• nonn

Links

• Robert H. Barbour, Two-dimensional Four Color Cellular Automaton: Surface Explorations, Complex Systems, 17 (2007), 103-112.
• Palash Sarkar, A Brief History of Cellular Automata, ACM Computing Surveys, Vol. 32 (2000), No. 1 March, p. 80-107.

Crossrefs

Cf. A094266, A094867, A099423.

Cumulative sums of A102127.

Extensions

Terms a(19) and beyond from Andrey Zabolotskiy, Jan 06 2023