28P7.2
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28P7.2  
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Pattern type  Oscillator  

Number of cells  28  
Bounding box  12×11  
Period  7  
Mod  7  
Heat  5.1  
Volatility  0.42  
Strict volatility  0.42  
Discovered by  Dean Hickerson  
Year of discovery  1998  
 
 
 

28P7.2 is an unnamed period 7 oscillator discovered by Dean Hickerson in 1998. In terms of its 28 cells, it is tied with oscillators burloaferimeter and 28P7.1 as the smallest known period 7 oscillator.^{[1]} In September, 2000 Mark Niemiec and Jason Summers found a 22glider synthesis of this oscillator.^{[2]}
References
 ↑ "Class 2 Objects Catalog". Retrieved on March 14, 2009.
 ↑ Jason Summers' jslife pattern collection.
External links
 28P7.2 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Oscillators with 28 cells
 Patterns with 28 cells
 Patterns found by Dean Hickerson
 Patterns found in 1998
 Patterns that can be constructed with 22 gliders
 Oscillators
 Oscillators with period 7
 Oscillators with mod 7
 Oscillators with heat 5
 Oscillators with volatility 0.42
 Oscillators with strict volatility 0.42
 Patterns with 180degree rotation symmetry