p16 century shuttle
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| p16 century shuttle | |||||||||
| View static image | |||||||||
| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 27 | ||||||||
| Bounding box | 13 × 13 | ||||||||
| Period | 16 (mod: 8) | ||||||||
| Heat | 22.8 | ||||||||
| Volatility | 0.84 | 0.57 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Nico Brown | ||||||||
| Year of discovery | 2023 | ||||||||
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p16 century shuttle is a period-16 oscillator discovered by Nico Brown on September 21, 2023.[1][2] It consists of two toads and two tubs hassling a century.
With a minimum population of 27 cells, it is the second smallest known p16 oscillator, behind the 21-cell Rob's p16.
On February 9, 2024, Chris857 found an 18-glider synthesis for this oscillator.[3][4] The next day he reduced the cost to 17 gliders,[3][5] quickly followed by a 16-glider synthesis.[3][6]
See also
References
- ↑ Nico Brown (September 21, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ Nico Brown (September 21, 2023). Message in #cgol on the Conwaylife Lounge Discord server
- ↑ 3.0 3.1 3.2 Chris857 (February 9, 2024). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#6134441112) (February 9, 2024). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ shinjuku (#6142987868) (February 10, 2024). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ shinjuku (#6143358670) (February 10, 2024). Job triggered by Adam P. Goucher at GitLab Catagolue project.
External links
Categories:
- Patterns
- Oscillators with 27 cells
- Periodic objects with minimum population 27
- Patterns with 27 cells
- Patterns found by Nico Brown
- Patterns found in 2023
- Patterns that can be constructed with 16 gliders
- Oscillators
- Oscillators with period 16
- Oscillators with mod 8
- Oscillators with heat 22
- Oscillators with volatility 0.84
- Oscillators with strict volatility 0.57
- Non-flipping oscillators that turn 180 degrees