Block on griddle
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| Block on griddle | |||||||||||
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| Pattern type | Oscillator | ||||||||||
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| Family | Griddle | ||||||||||
| Number of cells | 15 | ||||||||||
| Bounding box | 6×7 | ||||||||||
| Frequency class | 30.0 | ||||||||||
| Period | 2 | ||||||||||
| Mod | 1 | ||||||||||
| Heat | 6 | ||||||||||
| Volatility | 0.33 | ||||||||||
| Strict volatility | 0.33 | ||||||||||
| Rotor type | Flutter | ||||||||||
| Discovered by | Robert Wainwright | ||||||||||
| Year of discovery | 1972 | ||||||||||
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Block on griddle (or singular flip flop) is a period-2 oscillator that was discovered by Robert Wainwright in July 1972.[1]
Commonness
Block on griddle is about the thirty-sixth most common naturally-occurring oscillator in Achim Flammenkamp's census, being slightly less common than the cis-beacon down on long hook, approximately as common as the boat on spark coil, and more common than fore and back and 21P2.[2]
Synthesis
In October 2014, Ivan Fomichev found a 6-glider synthesis for this pattern based on a soup from Adam P. Goucher's apgsearch script.[3] A 5-glider synthesis was found in July 2020.[4]
See also
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ "Soup search results". Retrieved on November 9, 2014.
- ↑ Ian07 (July 18, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
External links
- Singular flip-flop at the Life Lexicon
- 15P2.28 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 30.0
- Natural periodic objects
- Oscillators with 15 cells
- Patterns with 15 cells
- Patterns found by Robert Wainwright
- Patterns found in 1972
- Patterns that can be constructed with 5 gliders
- Oscillators
- Periodic objects with minimum population 15
- Griddle variants
- Oscillators with period 2
- Oscillators with mod 1
- Oscillators with heat 6
- Oscillators with volatility 0.33
- Oscillators with strict volatility 0.33
- Oscillators with rotor Flutter
- Flipping oscillators
