Raucci's p217
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| Raucci's p217 | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 236 | ||||||||
| Bounding box | 74 × 74 | ||||||||
| Period | 217 (mod: 217) | ||||||||
| Heat | 345.7 | ||||||||
| Volatility | 0.99 | 0.45 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | David Raucci | ||||||||
| Year of discovery | 2021 | ||||||||
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Raucci's p217 is a period-217 oscillator found by David Raucci on May 5, 2021. It consists of four U-turners (which had no name at the time)[1] being hassled by four Merzenich's p31s.[2]
The bounding box can be reduced from 74×74 to 72×72 by using the diagonal sparks of Merzenich's p31 instead of the domino sparks, but this increases its minimum population from 236 to 256 due to a change in phase.[3]
It, along with an unnamed p132,[4] are the only oscillators known that hassle or shuttle a U-turner or U-turners.
| U-turner being hassled (click above to open LifeViewer) RLE: here Plaintext: here |
References
- ↑ C28 (May 4, 2021). Re: Thread for basic questions (discussion thread) at the ConwayLife.com forums
- ↑ David Raucci (May 5, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ David Raucci (May 18, 2021). Re: Oscillator Discussion thread (discussion thread) at the ConwayLife.com forums
- ↑ C28 (November 9, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
External links
Categories:
- Patterns
- Oscillators with between 200 and 299 cells
- Periodic objects with minimum population between 200 and 299
- Patterns with between 200 and 299 cells
- Patterns found by David Raucci
- Patterns found in 2021
- Outer-totalistically endemic patterns
- Isotropically endemic patterns
- Oscillators
- Oscillators with period 217
- Oscillators with mod 217
- Oscillators with heat between 300 and 399
- Oscillators with volatility 0.99
- Oscillators with strict volatility 0.45
- Patterns with 90-degree rotation symmetry