Tub with tail
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| Tub with tail | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 8 | ||||||||
| Bounding box | 5 × 5 | ||||||||
| Frequency class | 15.8 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | Charles Corderman Hugh Thompson | ||||||||
| Year of discovery | 1971 | ||||||||
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Tub with tail (or twit, originally from the acronym) is an 8-cell still life composed of a tub with a tail that was discovered by Charles Corderman and Hugh Thompson in 1971.[1][2] It is notable for its use in eater 5.
Commonness
Tub with tail is the twenty-eighth most common still life in Achim Flammenkamp's census, being less common than very long boat but more common than very long ship.[3] It is also the thirty-seventh most common object on Adam P. Goucher's Catagolue.[4]
See also
- Tub with two tails (four isomers)
- Spiral
- Tub with long tail
- Tub with cis-tail (whose tail is not the same as that of tub with tail)
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on June 18, 2009.
- ↑ Robert Wainwright (June 1971). Lifeline, vol 2.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
External links
- Tub with tail at the Life Lexicon
- The 9 eight-bit still-lifes at Mark D. Niemiec's Life Page
Categories:
- Patterns
- Patterns with Catagolue frequency class 15
- Natural periodic objects
- Periodic objects with minimum population 8
- Patterns with 8 cells
- Patterns found by Charles Corderman
- Patterns found by Hugh Thompson
- Patterns found in 1971
- Patterns that can be constructed with 4 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 8 cells