P49 bouncer loop: Difference between revisions
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==External links== | ==External links== | ||
{{LinkCatagolue|xp49_yhg88c88q596zyh1i9dgn0qbzyg3egf8ck3si3y2ca23y6ggo8y0ggzyjd55d2ody0256wccwgg0iu0uheq22p6khm0v4zym321ya1226414622d92606415a96zyp361y5634xok8zy62egox66ynccx31e8zyb253x4ocy5gcozciakg4c0c8im88c4g4c88gyag8ozw4v0dh5cj88behf0f9011w66wck8y0m38mkkmzy011y02311y6o8a6y2o97o562u1eozyvqb0t1mi9gzyucikb226221|format=extended}} | {{LinkCatagolue|xp49_yhg88c88q596zyh1i9dgn0qbzyg3egf8ck3si3y2ca23y6ggo8y0ggzyjd55d2ody0256wccwgg0iu0uheq22p6khm0v4zym321ya1226414622d92606415a96zyp361y5634xok8zy62egox66ynccx31e8zyb253x4ocy5gcozciakg4c0c8im88c4g4c88gyag8ozw4v0dh5cj88behf0f9011w66wck8y0m38mkkmzy011y02311y6o8a6y2o97o562u1eozyvqb0t1mi9gzyucikb226221|format=extended|patternname=p49 glider shuttle}} | ||
{{Symmetry|180degree}} | {{Symmetry|180degree}} | ||
{{DISPLAYTITLE:p49 glider shuttle}} | {{DISPLAYTITLE:p49 glider shuttle}} | ||
Revision as of 01:22, 29 January 2019
| p49 glider shuttle | |||||||||
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| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 400 | ||||||||
| Bounding box | 65 × 65 | ||||||||
| Period | 49 (mod: 49) | ||||||||
| Heat | 70.9 | ||||||||
| Volatility | 0.59 | 0.43 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Noam Elkies | ||||||||
| Year of discovery | 1999 | ||||||||
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The p49 glider shuttle 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 90-degree glider reflectors shuttling four gliders around a period 49 track. The glider reflectors are based on pipsquirter 2 but use a slightly smaller version of the oscillator found by Karel Suhajda on January 24, 2003. Shuttling gliders in this manner is the only known way to construct period 49 oscillators, apart from stable adjustable glider loops. In terms of its 400 cells, it had been the smallest known period 49 oscillator before discovery of the snark in 2013 made a smaller glider loop possible. Even so, the p49 bumper loop with 206 cells is the smallest p49 oscillator.
Image gallery
RLE: here |
References
- ↑ "Game of Life Status page". Retrieved on April 9, 2009.
- ↑ x-oscs-new-p036-060.lif oscillator collection, retrieved on April 9, 2009
External links
- p49 glider shuttle at Adam P. Goucher's Catagolue (extended)
- 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
- Oscillators with period 49
- Oscillators with mod 49
- Oscillators with heat 70
- Oscillators with volatility 0.59
- Oscillators with strict volatility 0.43
- Patterns with 180-degree rotation symmetry