31P8H4V0
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| 31P8H4V0 | |||||||||
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| Pattern type | Spaceship | ||||||||
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| Number of cells | 31 | ||||||||
| Bounding box | 11 × 11 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 8 | ||||||||
| Mod | 8 | ||||||||
| Speed | c/2 | 4c/8 | ||||||||
| Heat | 42.5 | ||||||||
| Discovered by | Jason Summers | ||||||||
| Year of discovery | 2002 | ||||||||
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31P8H4V0 is the smallest known period-8 c/2 orthogonal spaceship and a would-be block puffer made of a middleweight spaceship and another xWSS whose output is cancelled by its own spark. It was found by Jason Summers on October 29, 2002.[1]
Glider synthesis
A partial glider synthesis for this spaceship was posted by Goldtiger997 on April 9, 2020, with the final step and most of the base still life construction completed.[2] The synthesis was completed with 189 gliders the next day.[3] Several minor improvements, reducing the synthesis to 182 gliders, were posted by Mark Niemiec on June 6.[4] On August 3, BlinkerSpawn and Tanner Jacobi found a 37-glider synthesis using a different base.[5]
References
- ↑ Jason Summers' jslife pattern collection. Retrieved on March 17, 2020.
- ↑ Goldtiger997 (April 9, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ Goldtiger997 (April 10, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ Mark Niemiec (June 6, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ BlinkerSpawn (August 3, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
External links
- 31P8H4V0.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Spaceships with 31 cells
- Periodic objects with minimum population 31
- Patterns with 31 cells
- Patterns found by Jason Summers
- Patterns found in 2002
- Patterns that can be constructed with 36 gliders
- Spaceships
- Spaceships with period 8
- Orthogonal spaceships
- Spaceships with speed c/2
- Spaceships with unsimplified speed 4c/8
- Spaceships with heat 42
- Spaceships with mod 8
- Unnamed periodic objects