Difference between revisions of "44P5H2V0"
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(41G (i verified it myself this time!)) |
m (down to 40G now) |
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| Line 18: | Line 18: | ||
|isorulemin = B3-ey/S2-n3-c | |isorulemin = B3-ey/S2-n3-c | ||
|isorulemax = B34ety5aei6en7c8/S234ctz5acery6-k7e8 | |isorulemax = B34ety5aei6en7c8/S234ctz5acery6-k7e8 | ||
|synthesis = | |synthesis = 40 | ||
|plaintext = true | |plaintext = true | ||
|rle = true | |rle = true | ||
Revision as of 08:03, 30 August 2020
| 44P5H2V0 | |||||||||
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| Pattern type | Spaceship | ||||||||
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| Number of cells | 44 | ||||||||
| Bounding box | 15 × 10 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 5 | ||||||||
| Mod | 5 | ||||||||
| Speed | 2c/5 | 2c/5 | ||||||||
| Heat | 47.2 | ||||||||
| Discovered by | Dean Hickerson | ||||||||
| Year of discovery | 1991 | ||||||||
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44P5H2V0 is an unnamed 2c/5 orthogonal spaceship discovered by Dean Hickerson on July 23, 1991,[1] being the first 2c/5 spaceship to be found. Robert Wainwright and David Bell then found some small tagalongs that allowed the creation of arbitrarily large 2c/5 spaceships. These were the only known 2c/5 spaceships until the discovery of 70P5H2V0 by Hartmut Holzwart on December 5, 1992.[2]
Goldtiger997 found a 131-glider synthesis for 44P5H2V0 on August 29, 2020.[3] Tanner Jacobi improved the synthesis to 41 gliders the same day.[4]
Image gallery
 Some tagalongs (in green) for 44P5H2V0 (first two found by Robert Wainwright, third found by David Bell) Download RLE: click here |
See also
References
- ↑ David Bell's article, "Spaceships in Conway's Life (Part 6)"
- ↑ David Bell's article, "Spaceships in Conway's Life (Addendum 1)"
- ↑ Goldtiger997 (August 29, 2020). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ Tanner Jacobi (August 29, 2020). Message in #cgol on the Conwaylife Lounge Discord server
External links
- 44P5H2V0 at the Life Lexicon
- Glider 13491 at David Eppstein's Glider Database
- 44P5H2V0.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Spaceships with 44 cells
- Periodic objects with minimum population 44
- Patterns with 44 cells
- Patterns found by Dean Hickerson
- Patterns found in 1991
- Patterns that can be constructed with 40 gliders
- Spaceships
- Spaceships with period 5
- Orthogonal spaceships
- Spaceships with speed 2c/5
- Spaceships with unsimplified speed 2c/5
- Spaceships with heat 47
- Spaceships with mod 5
- Patterns with bilateral orthogonal symmetry
- Unnamed periodic objects