21P2

21P2
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Pattern type Oscillator
Family Beacon
Number of cells 16
Bounding box 7×7
Frequency class 32.5
Period 2
Mod 2
Heat 2
Volatility 0.11
Strict volatility 0.11
Rotor type Diagonal on-off
Discovered by Unknown
Year of discovery Unknown

21P2 is a period-2 oscillator.

Commonness

21P2 is about the thirty-eighth most common naturally-occurring oscillator in Achim Flammenkamp's census, being less common than boat on spark coil and block on griddle, about as common as the fore and back, and more common than trans-block on long hook eating tub and trans-beacon down on long hook.[1]

gollark: You can't use quantum entanglement to actually transmit any data.
gollark: Wikipedia's only 85GB compressed a lot, you could transfer that across easily.
gollark: I imagine it'll have its own local network with a bunch of very slow radio links for stuff to sync data.
gollark: It would be nice if we could just use UTC, but some people will inevitably complain that it doesn't match the Martian day/night cycle or something.
gollark: Oh no, cross-planet `datetime` libraries are going to be *horrible*.

References
  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  • 16P2.91 at Heinrich Koenig's Game of Life Object Catalogs
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