Sidewalk
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| Sidewalk | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 14 | ||||||||
| Bounding box | 6 × 5 | ||||||||
| Frequency class | 23.6 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | Unknown | ||||||||
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Sidewalk (or pavement) is a 14-cell still life made up of two islands that are by themselves referred to as sides. An individual side can occasionally be useful as an induction coil.
A side
It is the thirty-sixth most common object on Catagolue in the symmetry the object has (C2_2). In asymmetric soups, it is the 150th most common still life.
Peter Raynham found a 4-glider synthesis for the still life in 1973, which is based on a head-to-head collision between two pi-heptominoes.[1]
| A sidewalk predecessor (click above to open LifeViewer) RLE: here Plaintext: here |
See also
References
- ↑ Robert Wainwright (June 1973). Lifeline, vol 10, page 2.
External links
- Sidewalk at the Life Lexicon
- Side at the Life Lexicon
- Sidewalk at Adam P. Goucher's Catagolue
- The 619 fourteen-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 14/14-507.rle)
- 14.43 at Heinrich Koenig's Game of Life Object Catalogs