98P25: Difference between revisions
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'''98P25''' is an unnamed | '''98P25''' is an unnamed {{period|25}} [[oscillator]] discovered by [[Noam Elkies]] in October {{year|2002}}. In terms of minimum population, it was the smallest known period-25 oscillator until the discovery of an improved version of the pattern.<ref>{{cite web|url=http://pentadecathlon.com/objects/class2/class2.php?part=5 |title=Class 2 Objects Catalog |accessdate=April 18, 2009}}</ref> The improved version replaces the west and east [[fumarole]]s with [[eater 1]]s. | ||
It works by using four fumaroles and two [[block]]s to [[hassle]] two [[honey farm]] [[predecessor]]s. | It works by using four fumaroles and two [[block]]s to [[hassle]] two [[honey farm]] [[predecessor]]s. | ||
Revision as of 04:39, 28 December 2019
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| Pattern type | Oscillator | ||||||||||
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| Number of cells | 98 | ||||||||||
| Bounding box | 38 × 23 | ||||||||||
| Period | 25 (mod: 25) | ||||||||||
| Heat | 84.2 | ||||||||||
| Volatility | 0.87 | 0.56 | ||||||||||
| Kinetic symmetry | Unspecified | ||||||||||
| Discovered by | Noam Elkies | ||||||||||
| Year of discovery | 2002 | ||||||||||
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98P25 is an unnamed period-25 oscillator discovered by Noam Elkies in October 2002. In terms of minimum population, it was the smallest known period-25 oscillator until the discovery of an improved version of the pattern.[1] The improved version replaces the west and east fumaroles with eater 1s.
It works by using four fumaroles and two blocks to hassle two honey farm predecessors.
| A slightly smaller version (the current record), 88P25. (click above to open LifeViewer) RLE: here Plaintext: here |
Half of this oscillator can be replaced by a toaster, as shown below.
Image gallery
![]() RLE: here |
![]() RLE: here |
See also
References
- ↑ "Class 2 Objects Catalog". Retrieved on April 18, 2009.
External links
Categories:
- Patterns
- Oscillators with 98 cells
- Periodic objects with minimum population 98
- Patterns with 98 cells
- Patterns found by Noam Elkies
- Patterns found in 2002
- Patterns that can be constructed with between 70 and 79 gliders
- Oscillators
- Oscillators with period 25
- Oscillators with mod 25
- Oscillators with heat 84
- Oscillators with volatility 0.87
- Oscillators with strict volatility 0.56
- Patterns with 180-degree rotation symmetry
- Unnamed periodic objects

