Harbor
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| Harbor | |||||||||||
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| Pattern type | Oscillator | ||||||||||
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| Number of cells | 64 | ||||||||||
| Bounding box | 17 × 17 | ||||||||||
| Period | 5 | ||||||||||
| Mod | 5 | ||||||||||
| Heat | 35.2 | ||||||||||
| Volatility | 0.64 | ||||||||||
| Strict volatility | 0.64 | ||||||||||
| Discovered by | David Buckingham | ||||||||||
| Year of discovery | 1978 | ||||||||||
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Harbor is a period-5 oscillator that was found by David Buckingham on September 17, 1978.[1] It was named by Dean Hickerson. In one phase, it consists of four ships and eight boats.
A 35-glider synthesis of this oscillator can be found in jslife.[2] A 23-glider synthesis was found by yootaa on December 22, 2017.[3] A 16-glider synthesis was found on April 22, 2023.[4]
About 1 in 40000 odd-width eightfold symmetric soups (D8_1) form a harbor in the centre.
See also
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ Jason Summers' jslife pattern collection. Retrieved on January 5, 2020.
- ↑ yootaa (December 22, 2017). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#4159809849) (April 22, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
External links
- Harbor at the Life Lexicon
- Harbor at Adam P. Goucher's Catagolue
- 64P5.5 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Oscillators with 64 cells
- Periodic objects with minimum population 64
- Patterns with 64 cells
- Patterns found by David Buckingham
- Patterns found in 1978
- Patterns that can be constructed with 16 gliders
- Oscillators
- Oscillators with period 5
- Oscillators with mod 5
- Oscillators with heat 35
- Oscillators with volatility 0.64
- Oscillators with strict volatility 0.64
- Patterns with complete square symmetry
- Semi-natural periodic objects