Jam

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Jam
3b2ob$2bo2bo$o2bobo$o3bob$o5b$3bo2b$b2o! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 GPS 2 ]]
Pattern type Oscillator
Number of cells 13
Bounding box 7×7
Frequency class 27.6
Period 3
Mod 3
Heat 7.3
Volatility 0.55
Strict volatility 0.55
Discovered by Achim Flammenkamp
Year of discovery 1988

Jam was found by Achim Flammenkamp in 1988, but not widely known about until its independent discovery (and naming) by Dean Hickerson in September 1989. In terms of its 7×7 bounding box it ties with trice tongs as the smallest period 3 oscillator, though caterer has fewer cells.

Commonness

Jam is about the seventeenth most common naturally-occurring oscillator in Achim Flammenkamp's census, being slightly less common than the blocker.[1] On Catagolue, it is the second most common period 3 oscillator, being less common than the pulsar but more common than the candlefrobra on trans-block.[2]

See also

References

  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  2. Adam P. Goucher. "Census". Catagolue. Retrieved on October 27, 2018.

External links

  • Jam at the Life Lexicon
  • 13P3.1 at Heinrich Koenig's Game of Life Object Catalogs