21P2
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| 21P2 | |||||||||||
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| Pattern type | Oscillator | ||||||||||
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| Family | Beacon | ||||||||||
| Number of cells | 16 | ||||||||||
| Bounding box | 7×7 | ||||||||||
| Frequency class | 32.5 | ||||||||||
| Period | 2 | ||||||||||
| Mod | 2 | ||||||||||
| Heat | 2 | ||||||||||
| Volatility | 0.11 | ||||||||||
| Strict volatility | 0.11 | ||||||||||
| Rotor type | Diagonal on-off | ||||||||||
| Discovered by | Unknown | ||||||||||
| Year of discovery | Unknown | ||||||||||
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21P2 is a period-2 oscillator.
Commonness
21P2 is about the thirty-eighth most common naturally-occurring oscillator in Achim Flammenkamp's census, being less common than boat on spark coil and block on griddle, about as common as the fore and back, and more common than trans-block on long hook eating tub and trans-beacon down on long hook.[1]
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
External links
- 21P2 at Adam P. Goucher's Catagolue
- 16P2.91 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 32.5
- Natural periodic objects
- Oscillators with 16 cells
- Patterns with 16 cells
- Patterns that can be constructed with 8 gliders
- Oscillators
- Periodic objects with minimum population 16
- Beacon variants
- Oscillators with period 2
- Oscillators with mod 2
- Oscillators with heat 2
- Oscillators with volatility 0.11
- Oscillators with strict volatility 0.11
- Oscillators with rotor Diagonal on-off
- Unnamed periodic objects
