Achim's p8
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Achim's p8  
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Pattern type  Oscillator  

Number of cells  18  
Bounding box  9×9  
Frequency class  42.8  
Period  8  
Mod  4  
Heat  14  
Volatility  0.90  
Strict volatility  0.70  
Discovered by  Achim Flammenkamp  
Year of discovery  1994  
 
 
 

Achim's p8 is a period 8 oscillator discovered by Achim Flammenkamp on July 20, 1994.^{[1]} In August 2004 Jason Summers and Mark Niemiec found a 13glider synthesis of this oscillator.^{[2]}
Commonness
On Catagolue, it is the fifth most common period 8 oscillator, being slightly less common than smiley but more common than blocker on cisdock.^{[3]}
See also
References
 ↑ Dean Hickerson's oscillator stamp collection.
 ↑ Jason Summers' jslife pattern collection.
 ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on October 27, 2018.
External links
 Achim's p8 at the Life Lexicon
 18P8.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Patterns with Catagolue frequency class 42.8
 Natural periodic objects
 Oscillators with 18 cells
 Patterns with 18 cells
 Patterns found by Achim Flammenkamp
 Patterns found in 1994
 Patterns that can be constructed with 9 gliders
 Oscillators
 Periodic objects with minimum population 18
 Oscillators with period 8
 Oscillators with mod 4
 Oscillators with heat 14
 Oscillators with volatility 0.90
 Oscillators with strict volatility 0.70
 Patterns with 180degree rotation symmetry
 Flipping oscillators