P49 bouncer loop: Difference between revisions
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|isorulemax = B34e5a6c7c/S234cz5ek6ae78 | |isorulemax = B34e5a6c7c/S234cz5ek6ae78 | ||
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|apgcode = xp49_yh3iajaqjk46zygg2v0er8q6he8zygp9gf8ck3sj2y2ca23y58owo8wgy0ggzyjd55d2ody0256wccwgg0iu0uheq229t5d9lq0v4zym321ya1226414622d55pab430e91zyp361y5634xok8zy62egox66ynccx31e8zyb253x4ocy5gcozgie0o4qajkkm88c4g4c88gyag8oz4v0blimkni88behf0f9011w66wck8y0m38mkkmz11y01w23w32y5o8a6y28p7o562u1ijzyt2ehcb2re0v81zyuc45pbapa9o | |apgcode = xp49_yh3iajaqjk46zygg2v0er8q6he8zygp9gf8ck3sj2y2ca23y58owo8wgy0ggzyjd55d2ody0256wccwgg0iu0uheq229t5d9lq0v4zym321ya1226414622d55pab430e91zyp361y5634xok8zy62egox66ynccx31e8zyb253x4ocy5gcozgie0o4qajkkm88c4g4c88gyag8oz4v0blimkni88behf0f9011w66wck8y0m38mkkmz11y01w23w32y5o8a6y28p7o562u1ijzyt2ehcb2re0v81zyuc45pbapa9o | ||
|viewerconfig = #C [[ GPS 7 THUMBZOOM 8 HEIGHT 550 ]] | |viewerconfig = #C [[ GPS 7 THUMBZOOM 8 HEIGHT 550 ]] | ||
Revision as of 00:06, 21 April 2024
| p49 bouncer loop | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Oscillator type | Relay | ||||||||
| Number of cells | 440 | ||||||||
| Bounding box | 65 × 65 | ||||||||
| Period | 49 (mod: 49) | ||||||||
| Heat | 84.6 | ||||||||
| Volatility | 0.58 | 0.41 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Noam Elkies | ||||||||
| Year of discovery | 1999 | ||||||||
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The p49 bouncer loop is a period-49 oscillator discovered in its original form by Noam Elkies on August 1, 1999,[1] and was the first period 49 oscillator to be found.[2] It consists of four p7 bouncers reflecting four gliders around a period-49 track. On January 24, 2003, Karel Suhajda found a slightly smaller p7 pipsquirter, giving a 400-cell variant of the oscillator. Suhajda's variant was the smallest known period-49 oscillator until the discovery of Snark-based adjustable glider loops in 2013.
| 400-cell variant found by Karel Suhajda on January 24, 2003 (click above to open LifeViewer) |
| 380-cell 53 × 49 variant using a smaller p7 pipsquirter found by Dongook Lee on November 20, 2019 (click above to open LifeViewer) |
References
- ↑ "Game of Life Status page". Retrieved on April 9, 2009.
- ↑ Jason Summers' jslife pattern collection. Retrieved on April 9, 2009.
External links
- p49 bouncer loop at Adam P. Goucher's Catagolue (extended)
Categories:
- Patterns
- Oscillators with between 400 and 499 cells
- Periodic objects with minimum population between 400 and 499
- Patterns with between 400 and 499 cells
- Patterns found by Noam Elkies
- Patterns found in 1999
- Oscillators
- Relays
- Oscillators with period 49
- Oscillators with mod 49
- Oscillators with heat 84
- Oscillators with volatility 0.58
- Oscillators with strict volatility 0.41
- Patterns with 180-degree rotation symmetry