Difference between revisions of "Achim's p8"
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'''Achim's p8''' is a [[period]] [[:Category:oscillators with period 8|8]] [[oscillator]] discovered by [[Achim Flammenkamp]] on July 20, [[:Category:Patterns found in 1994|1994]].<ref>{{CiteHickersonOscillators}}</ref> In August [[:Category:patterns found in 2004|2004]] [[Jason Summers]] and [[Mark Niemiec]] found a [[:Category:patterns that can be constructed with 13 gliders|13]]-[[glider]] [[Glider synthesis|synthesis]] of this oscillator.<ref>{{CiteSummersPattern|name=jslife}}</ref> | '''Achim's p8''' is a [[period]] [[:Category:oscillators with period 8|8]] [[oscillator]] discovered by [[Achim Flammenkamp]] on July 20, [[:Category:Patterns found in 1994|1994]].<ref>{{CiteHickersonOscillators}}</ref> In August [[:Category:patterns found in 2004|2004]] [[Jason Summers]] and [[Mark Niemiec]] found a [[:Category:patterns that can be constructed with 13 gliders|13]]-[[glider]] [[Glider synthesis|synthesis]] of this oscillator.<ref>{{CiteSummersPattern|name=jslife}}</ref> | ||
Revision as of 14:23, 15 May 2019
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 18 | ||||||||
| Bounding box | 9 × 9 | ||||||||
| Frequency class | 42.8 | ||||||||
| Period | 8 | ||||||||
| Mod | 4 | ||||||||
| Heat | 14 | ||||||||
| Volatility | 0.90 | ||||||||
| Strict volatility | 0.70 | ||||||||
| Discovered by | Achim Flammenkamp | ||||||||
| Year of discovery | 1994 | ||||||||
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Achim's p8 is a period 8 oscillator discovered by Achim Flammenkamp on July 20, 1994.[1] In August 2004 Jason Summers and Mark Niemiec found a 13-glider synthesis of this oscillator.[2]
Commonness
On Catagolue, it is the fifth most common period 8 oscillator, being slightly less common than smiley but more common than blocker on cis-dock.[3]
See also
References
- ↑ Dean Hickerson's oscillator stamp collection.
- ↑ Jason Summers' jslife pattern collection.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on October 27, 2018.
External links
- Achim's p8 at the Life Lexicon
- 18P8.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 42
- Natural periodic objects
- Oscillators with 18 cells
- Periodic objects with minimum population 18
- Patterns with 18 cells
- Patterns found by Achim Flammenkamp
- Patterns found in 1994
- Patterns that can be constructed with 9 gliders
- Oscillators
- Oscillators with period 8
- Oscillators with mod 4
- Oscillators with heat 14
- Oscillators with volatility 0.90
- Oscillators with strict volatility 0.70
- Patterns with 180-degree rotation symmetry
- Flipping oscillators