Achim's p16

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Achim's p16
x = 13, y = 13, rule = B3/S23 7b2o$7bobo$2bo4bob2o$b2o5bo$o2bo$3o2$10b3o$9bo2bo$4bo5b2o$2b2obo4bo$3b obo$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 16 GPS 4 THUMBSIZE 2 ]]
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Pattern type Oscillator
Number of cells 32
Bounding box 15×15
Period 16
Mod 8
Heat 43
Volatility 1.00
Strict volatility 0.77
Discovered by Achim Flammenkamp
Year of discovery 1994

Achim's p16 is a period-16 oscillator that was found by Achim Flammenkamp on July 27, 1994.[1] With 32 cells, it was the smallest known period-16 oscillator until the discovery of Rob's p16 in 2020.[2] In October 2004 Jason Summers found a 12-glider synthesis of this oscillator.[3]

The first known semi-natural appearance of this oscillator was in November 2014 in a soup found by Dongook Lee using apgsearch.[4] 1 in 960,000 odd-width 90° symmetric soups (C4_1) form an Achim's p16.

See also

References

  1. ↑ Dean Hickerson's oscillator stamp collection.
  2. ↑ "Class 2 Objects Catalog". Retrieved on April 11, 2009.
  3. ↑ Jason Summers' jslife pattern collection.
  4. ↑ Dongook Lee (December 1, 2014). Re: Soup search results (discussion thread) at the ConwayLife.com forums

External links

  • 32P16.1 at Heinrich Koenig's Game of Life Object Catalogs
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