Monogram
From LifeWiki
Monogram  
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Pattern type  Oscillator  

Number of cells  18  
Bounding box  7×7  
Frequency class  40.9  
Period  4  
Mod  2  
Heat  14  
Volatility  0.88  
Strict volatility  0.88  
Discovered by  Dean Hickerson  
Year of discovery  1989  
 
 
 

Monogram (or initials^{[1]} or JHC^{[2]}) is a period 4 oscillator that was found by Dean Hickerson in August 1989. It produces some weak sparks which can utilized in e.g. the stabilization of the carnival shuttle.
References
 ↑ "Initials". The Life Lexicon. Stephen Silver. Retrieved on June 13, 2009.
 ↑ "JHC". The Life Lexicon. Stephen Silver. Retrieved on April 30, 2009.
External links
 Monogram at the Life Lexicon
 18P4.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Patterns with Catagolue frequency class 40.9
 Natural periodic objects
 Oscillators with 18 cells
 Patterns with 18 cells
 Patterns found by Dean Hickerson
 Patterns found in 1989
 Patterns that can be constructed with 10 gliders
 Oscillators
 Periodic objects with minimum population 18
 Oscillators with period 4
 Oscillators with mod 2
 Oscillators with heat 14
 Oscillators with volatility 0.88
 Oscillators with strict volatility 0.88
 Patterns with rectangular orthogonal symmetry
 Flipping oscillators
 Sparkers
 Sparkers with period 4
 Weak sparkers