Achim's p11

Achim's p11 is a period-11 oscillator discovered by Achim Flammenkamp on August 4, 1994.[1] In February, 2000 Mark Niemiec created a 96-glider synthesis for this oscillator.[2] It was later improved to 75 gliders by Jeremy Tan on July 11, 2019,[3] followed by 63 gliders due to improvements by Matti Ward and toroidalet later the same day.[4][5]

Achim's p11
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Pattern type Oscillator
Number of cells 72
Bounding box 22×22
Period 11
Mod 11
Heat 68.4
Volatility 0.90
Strict volatility 0.90
Discovered by Achim Flammenkamp
Year of discovery 1994

The first known semi-natural appearance of this oscillator was in December 2014, in a symmetric soup found by Dongook Lee using apgsearch.[6]

See also

References
  1. Dean Hickerson's oscillator stamp collection.
  2. Jason Summers' jslife pattern collection.
  3. Jeremy Tan (July 11, 2019). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  4. Matti Ward (July 11, 2019). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  5. toroidalet (July 11, 2019). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  6. Dongook Lee (December 19, 2014). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  • 72P11.1 at Heinrich Koenig's Game of Life Object Catalogs
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