Rattlesnake

	Rattlesnake
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Pattern type	Oscillator
Number of cells	33
Bounding box	13 × 15
Period	11
Mod	11
Heat	5.82
Volatility	0.51
Strict volatility	0.51
Discovered by	Dean Hickerson
Year of discovery	2016
Rules
Outer-totalistic rules	B3/S23 – B38/S2378
# of rules	23 = 8
Glider synthesis
Fewest gliders	37†
Catagolue-generated RLE	synthesis
Uploaded synthesis RLE	rattlesnake_synth.rle
	†Can be constructed with 15 gliders using the reverse caber tosser universal constructor.
Pattern files
RLE	rattlesnake.rle
Identifiers
apgcode	xp11_y0dbzggci5ld3xog8oz0343

Rattlesnake is a period-11 oscillator found by Dean Hickerson on January 10, 2016^[1]. In terms of its 33 cells, it is currently the smallest known period-11 oscillator.

Martin Grant found a 37-glider synthesis of this oscillator no later than January 13, 2016.^[2]

References

↑ Dean Hickerson (January 10, 2016). "Re: Oscillator Discoveries Thread". Retrieved on July 12, 2016.
↑ Martin Grant (December 27, 2016). "Re: Synthesising Oscillators". Retrieved on December 27, 2015.