p40 Bheptomino shuttle
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p40 Bheptomino shuttle  
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Pattern type  Oscillator  

Oscillator type  Shuttle  
Number of cells  68  
Bounding box  28×23  
Period  40  
Mod  20  
Heat  44.2  
Volatility  0.88  
Strict volatility  0.45  
Discovered by  David Buckingham  
Year of discovery  Unknown  
 
 
 

P40 Bheptomino shuttle is a period40 shuttle oscillator found by David Buckingham sometime before May 1991,^{[1]} being the first period 40 oscillator to be discovered.^{[note 1]} It consists of two blockers, two tubs, and a fumarole hassling a Bheptomino.
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See also
Notes
 ↑ A period40 oscillator, octagon II on figure eight, can be constructed from two sparkers (octagon II and figure eight) both of which were definitely known by 1971. However, this type of oscillator is generally considered "boring", and thus not counted despite technically being nontrivial.
References
External links
 68P40.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Oscillators with 68 cells
 Patterns with 68 cells
 Patterns found by David Buckingham
 Patterns that can be constructed with 29 gliders
 Oscillators
 Periodic objects with minimum population 68
 Shuttles
 Oscillators with period 40
 Oscillators with mod 20
 Oscillators with heat 44
 Oscillators with volatility 0.88
 Oscillators with strict volatility 0.45
 Flipping oscillators