Difference between revisions of "Coe's p8"
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==Synthesis== | ==Synthesis== | ||
In August, [[:Category:patterns found in 2004|2004]] [[Mark Niemiec]] found a [[:Category:patterns that can be constructed with 16 gliders|16]]-[[glider]] [[Glider synthesis|synthesis]] of this oscillator.<ref>{{CiteSummersPattern|name=jslife}}</ref> In October, [[:Category:patterns found in 2010|2010]] Martin Grant found an [[:Category:patterns that can be constructed with 8 gliders|8]]-glider synthesis, based on a [[predecessor]] discovered by Lewis Patterson.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?f=2&t=279&p=3538|title=ConwayLife Forums - | In August, [[:Category:patterns found in 2004|2004]] [[Mark Niemiec]] found a [[:Category:patterns that can be constructed with 16 gliders|16]]-[[glider]] [[Glider synthesis|synthesis]] of this oscillator.<ref>{{CiteSummersPattern|name=jslife}}</ref> In October, [[:Category:patterns found in 2010|2010]] Martin Grant found an [[:Category:patterns that can be constructed with 8 gliders|8]]-glider synthesis, based on a [[predecessor]] discovered by Lewis Patterson.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?f=2&t=279&p=3538|title=ConwayLife Forums - Thread For Your Accidental Discoveries|accessdate=Oct 3, 2010}}</ref> The best synthesis known as of July 2017 uses 5 gliders and was found by gmc_nxtman and Mark Niemec on July 8, 2017.<ref>{{cite web|url=http://conwaylife.com/forums/viewtopic.php?f=2&t=576&start=1250#p46259|title=ConwayLife Forums - Thread for your unsure discoveries|accessdate=Jul 8, 2017}}</ref> | ||
==See also== | ==See also== | ||
*[[Achim's p8]] | *[[Achim's p8]] | ||
Revision as of 05:56, 29 October 2017
| Coe's p8 | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 17 | ||||||||
| Bounding box | 12 × 8 | ||||||||
| Period | 8 | ||||||||
| Mod | 4 | ||||||||
| Heat | 12.5 | ||||||||
| Volatility | 0.90 | ||||||||
| Strict volatility | 0.90 | ||||||||
| Discovered by | Tim Coe | ||||||||
| Year of discovery | 1997 | ||||||||
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Coe's p8 is a period-8 oscillator that was found by Tim Coe on August 19, 1997.[1] In terms of its 17 cells, it is tied with smiley as third-smallest known period-8 oscillator. It consists of two blocks hassling an unnamed object.
Commonness
Coe's p8 is about the forty-seventh most common naturally-occurring oscillator in Achim Flammenkamp's census.[2]
Synthesis
In August, 2004 Mark Niemiec found a 16-glider synthesis of this oscillator.[3] In October, 2010 Martin Grant found an 8-glider synthesis, based on a predecessor discovered by Lewis Patterson.[4] The best synthesis known as of July 2017 uses 5 gliders and was found by gmc_nxtman and Mark Niemec on July 8, 2017.[5]
See also
References
- ↑ Jason Summers' all-osc pattern collection.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Jason Summers' jslife pattern collection.
- ↑ "ConwayLife Forums - Thread For Your Accidental Discoveries". Retrieved on Oct 3, 2010.
- ↑ "ConwayLife Forums - Thread for your unsure discoveries". Retrieved on Jul 8, 2017.
External links
- Coe's p8 at the Life Lexicon
Categories:
- Patterns
- Oscillators with 17 cells
- Periodic objects with minimum population 17
- Patterns with 17 cells
- Patterns found by Tim Coe
- Patterns found in 1997
- Patterns that can be constructed with 5 gliders
- Oscillators
- Oscillators with period 8
- Oscillators with mod 4
- Oscillators with heat 12
- Oscillators with volatility 0.90
- Oscillators with strict volatility 0.90
- Non-flipping oscillators that turn 180 degrees