90P51
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90P51  
View static image  
Pattern type  Oscillator  

Number of cells  90  
Bounding box  25×20  
Period  51  
Mod  51  
Heat  28.16  
Volatility  0.57  
Strict volatility  0.01  
Discovered by  Matthias Merzenich Adam P. Goucher  
Year of discovery  2014  
 
 

90P51 is the smallest known period51 oscillator. It consists of a honey thieves variant interacting with an unnamed period 3 oscillator. The p3 eater 2 variant was originally found by Noam Elkies on July 24, 2000 and used to construct 134P39.1,^{[1]} while Adam P. Goucher^{[2]} and Matthias Merzenich^{[3]} discovered in September 2014 that it could be combined with honey thieves to produce a p51 oscillator. The p3 portion of this oscillator was later reduced by two cells in July 2021, with onecell reductions each by JP21 and Matthias Merzenich.^{[4]}
References
 ↑ Matthias Merzenich (July 13, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
 ↑ Adam P. Goucher (September 12, 2014). Re: New p17 and other billiard tables (discussion thread) at the ConwayLife.com forums
 ↑ Matthias Merzenich (September 13, 2014). Re: New p17 and other billiard tables (discussion thread) at the ConwayLife.com forums
 ↑ Matthias Merzenich (July 12, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
External links
Categories:
 Patterns
 Oscillators with 90 cells
 Periodic objects with minimum population 90
 Patterns with 90 cells
 Patterns found by Matthias Merzenich
 Patterns found by Adam P. Goucher
 Patterns found in 2014
 Oscillators
 Oscillators with period 51
 Oscillators with mod 51
 Oscillators with heat 28
 Oscillators with volatility 0.57
 Oscillators with strict volatility 0.01
 Unnamed periodic objects
 Leastcommonmultiple oscillators