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  0.45  
Kinetic symmetry  ne  
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 nontrivial period40 oscillator, such as octagon II on figure eight, could have been constructed from two oscillators of lower period (such as p5 and p8), both of which were known by an earlier date. However, no such LCM oscillators were attested prior to the discovery of this oscillator on or before 1991.
References
External links
 68P40.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Oscillators with 68 cells
 Periodic objects with minimum population 68
 Patterns with 68 cells
 Patterns found by David Buckingham
 Patterns that can be constructed with 28 gliders
 Oscillators
 Shuttles
 Oscillators with period 40
 Oscillators with mod 20
 Oscillators with heat 44
 Oscillators with volatility 0.88
 Oscillators with strict volatility 0.45
 Oscillators with ne symmetry