Octagon 2

Octagon 2 was the first known period-5 oscillator, discovered in 1971 independently by Sol Goodman and Arthur Taber;[1] the name is due to the latter. Its discovery was first reported in Lifeline Volume 1.

Octagon 2
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Pattern type Oscillator
Number of cells 16
Bounding box 8×8
Frequency class 29.3
Period 5
Mod 5
Heat 16
Volatility 0.80
Strict volatility 0.80
Discovered by Arthur Taber
Sol Goodman
Year of discovery 1971

Commonness

Octagon 2 is about the twenty-sixth most common naturally-occurring oscillator in Achim Flammenkamp's census, being about as common as unix.[2] On Catagolue, it is the most common period 5 oscillator, being more common than fumarole.[3]

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See also

References
  1. Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  2. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  3. Adam P. Goucher. "Statistics". Catagolue. Retrieved on October 27, 2018.
  • 16P5.1 at Heinrich Koenig's Game of Life Object Catalogs
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