Caterer on 44P7.2

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Caterer on 44P7.2
Caterer on 44P7.2 image
Pattern type Oscillator
Number of cells 56
Bounding box 19×16
Period 21
Mod Unknown
Heat 20.5
Volatility 0.49
Strict volatility 0.01
Discovered by Unknown
Year of discovery Unknown

Caterer on 44P7.2 is a period-21 oscillator composed of a caterer and the unnamed 44P7.2. In terms of its 56 cells, it is the smallest known non-trivial period 21 oscillator, although jam on 44P7.2 (pictured below) has a smaller bounding box.

Despite being composed of two oscillators of smaller periods (3 and 7 respectively), it is considered non-trivial because it has a single cell that is alive in generation 14 and is dead in its other 20 phases.

Image gallery

Generation 14 reveals the single cell with period 21 (in green)
Jam on 44P7.2 with a smaller bounding box of 17×16
RLE: here

See also

External links