Loop
Loop | |||||||||||
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Pattern type | Strict still life | ||||||||||
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Number of cells | 10 | ||||||||||
Bounding box | 5×4 | ||||||||||
Frequency class | 18.4 | ||||||||||
Discovered by | Unknown | ||||||||||
Year of discovery | 1972 | ||||||||||
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- This article is about the 10-cell still life. For an oscillator where a series of reflectors reflect spaceships cyclically, see Glider loop.
Loop (or curl[1] or long hat[2]) is a 10-cell still life.
It can be interpreted as a hook with an attached hooked tail.
It is the most naturally common still life that can act as a hook with tail catalyst; the period-14 oscillator shown on that page has occurred semi-naturally with a loop but not with a hook with tail.
Commonness
Loop is the fortieth most common still life in Achim Flammenkamp's census, being less common than scorpion but more common than fourteener.[3] It is also the forty-ninth most common object on Adam P. Goucher's Catagolue.[4]
Glider synthesis
All strict still lifes with a population of 20 or fewer cells, as well as all oscillators and spaceships with 16 or fewer cells, are known to be glider-constructible. A glider synthesis of this object can be found in the infobox to the right.
Loop family
Note that some would argue that the loops are members of the hat family.
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References
- ↑ "Curl". The Life Lexicon. Stephen Silver. Retrieved on June 3, 2009.
- ↑ "Long hat". The Life Lexicon. Stephen Silver. Retrieved on June 3, 2009.
- ↑ 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
- Loop at Adam P. Goucher's Catagolue
- Loop at the Life Lexicon
- The 25 ten-bit still-lifes at Mark D. Niemiec's Life Page