Octagon 2
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Octagon 2  
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Pattern type  Oscillator  

Number of cells  16  
Bounding box  8×8  
Period  5  
Mod  5  
Heat  16  
Volatility  0.80  
Strict volatility  0.80  
Discovered by  Arthur Taber Sol Goodman  
Year of discovery  1971  
 
 
 

Octagon 2 was the first known period 5 oscillator, discovered in 1971 independently by Sol Goodman and Arthur Taber; the name is due to the latter. Its discovery was first reported in Lifeline Volume 1.
Commonness
Octagon 2 is about the twentysixth most common naturallyoccurring oscillator in Achim Flammenkamp's census, being about as common as unix.^{[1]}
See also
References
 ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
External links
 Octagon 2 at the Life Lexicon
Categories:
 Patterns
 Oscillators with 16 cells
 Patterns with 16 cells
 Patterns found by Arthur Taber
 Patterns found by Sol Goodman
 Patterns found in 1971
 Patterns that can be constructed with 6 gliders
 Oscillators
 Oscillators with period 5
 Oscillators with mod 5
 Oscillators with heat 16
 Oscillators with volatility 0.80
 Oscillators with strict volatility 0.80
 Patterns with complete square symmetry