Octagon 2
| Octagon 2 | |||||||
| View animated image | |||||||
| View static image | |||||||
| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 16 | ||||||
| Bounding box | 8 × 8 | ||||||
| Period | 5 | ||||||
| Mod | Unknown | ||||||
| Heat | 16 | ||||||
| Volatility | 0.80 | ||||||
| Strict volatility | 0.80 | ||||||
| Discovered by | Arthur Taber | ||||||
| Year of discovery | 1971 | ||||||
| |||||||
| |||||||
| |||||||
Octagon 2 was the first known period 5 oscillator, discovered in 1971 independently by Sol Goodman and Arthur Taber; the name is due to the latter. Its discovery was first reported in Lifeline Volume 1.
Commonness
Octagon 2 is about the twenty-sixth most common naturally-occurring oscillator in Achim Flammenkamp's census, being about as common as unix.[1]
See also
- Octagon 4
- List of common oscillators
- Smallest period five oscillators
- Largest volatility period five oscillators
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
External links
- Octagon 2 at the Life Lexicon
Categories:
- Patterns
- Oscillators with 16 cells
- Periodic objects with minimum population 16
- Patterns with 16 cells
- Patterns found by Arthur Taber
- Patterns found in 1971
- Patterns that can be constructed with 6 gliders
- Oscillators
- Oscillators with period 5
- Oscillators with heat 16
- Oscillators with volatility 0.80
- Oscillators with strict volatility 0.80
- Patterns found by Sol Goodman
- Patterns with complete square symmetry