Silverfish
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| Silverfish | |||||||||
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| Pattern type | Spaceship | ||||||||
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| Number of cells | 217043 | ||||||||
| Bounding box | 11970×48047 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 240 | ||||||||
| Mod | 240 | ||||||||
| Speed | 31c/240 | ||||||||
| Speed (unsimplified) | 31c/240 | ||||||||
| Heat | 128931 | ||||||||
| Discovered by | Chris Cain Dave Greene Adam P. Goucher | ||||||||
| Year of discovery | 2020 | ||||||||
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The silverfish is a 31c/240 orthogonal spaceship that was constructed on May 9, 2020.[1] Various reductions brought it down to its current size of 217,043 cells,[2] making it the smallest known spaceship of this speed, surpassing the centipede caterloopillar in cell count (and, as a result, making the smallest 31c/240 spaceship true-period again).
References
- ↑ Adam P. Goucher (May 9, 2020). Re: 31c/240 caterpillar working notes (discussion thread) at the ConwayLife.com forums
- ↑ Dave Greene (May 13, 2020). Re: 31c/240 caterpillar working notes (discussion thread) at the ConwayLife.com forums
Categories:
- Patterns
- Periodic objects with minimum population 1000 or more
- Patterns with 1000 or more cells
- Patterns found by Chris Cain
- Patterns found by Dave Greene
- Patterns found by Adam P. Goucher
- Patterns found in 2020
- Outer-totalistically endemic patterns
- Spaceships
- Spaceships with period 240
- Orthogonal spaceships
- Spaceships with speed 31c/240
- Spaceships with unsimplified speed 31c/240
- Spaceships with heat 128931
- Spaceships with mod 240
- Engineered spaceships
