Gabriel's p138

	Gabriel's p138
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	<a href="/wiki/File:Gabrielsp138.png" class="image" title="Gabriel's p138 image"><img alt="Gabriel's p138 image" src="/w/images/9/91/Gabrielsp138.png" decoding="async" width="185" height="185" /></a>
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Pattern type	Oscillator
Number of cells	36
Bounding box	33 × 33
Period	138 (mod: Unknown)
Heat	57.7
Volatility	1.00 \| Unknown
Kinetic symmetry	Unspecified
Discovered by	Gabriel Nivasch
Year of discovery	2002
Rules
Outer-totalistic rules	B3/S23 – B38/S23
# of rules	21 = 2
Glider synthesis
Fewest gliders	12
Uploaded synthesis RLE	gabrielsp138_synth.rle
Pattern files
Plaintext	gabrielsp138.cells
RLE	gabrielsp138.rle

Gabriel's p138 is a period 138 oscillator discovered by Gabriel Nivasch on October 13, 2002. In terms of its 36 cells, it is, by far, the smallest known period 138 oscillator.^[1] Within a month of its discovery, Jason Summers found a 12-glider synthesis for this oscillator.^[2]

References