Difference between revisions of "Long boat"
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'''Long boat''' is a [[long]]er version of a [[boat]] that was discovered by the [[JHC group]] in [[:Category:patterns found in 1970|1970]].<ref>{{CiteHickersonOscillators|accessdate=June 18, 2009}}</ref> | '''Long boat''' is a [[long]]er version of a [[boat]] that was discovered by the [[JHC group]] in [[:Category:patterns found in 1970|1970]].<ref>{{CiteHickersonOscillators|accessdate=June 18, 2009}}</ref> | ||
==[[List of common still lifes|Commonness]]== | ==[[List of common still lifes|Commonness]]== | ||
The long boat is the eighth most common [[still life]] in [[Achim Flammenkamp's census]], being less common than [[ship]] but more common than [[ship-tie]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref>. It is also the tenth most common object on [[Adam P. Goucher]]'s [[Catagolue]].<ref>{{citeCatagolueStats|June 24, 2016}}</ref> | The long boat is the eighth most common [[still life]] in [[Achim Flammenkamp's census]], being less common than [[ship]] but more common than [[ship-tie]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref>. It is also the tenth most common object on [[Adam P. Goucher]]'s [[Catagolue]]. It is the second most common 7-bit still life, being less common than the [[loaf]] but more common than [[eater 1]].<ref>{{citeCatagolueStats|June 24, 2016}}</ref> | ||
==Synthesis== | ==Synthesis== | ||
Revision as of 16:21, 7 July 2019
| Long boat | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 7 | ||||||||
| Bounding box | 4 × 4 | ||||||||
| Frequency class | 6.6 | ||||||||
| Discovered by | JHC group | ||||||||
| Year of discovery | 1970 | ||||||||
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Long boat is a longer version of a boat that was discovered by the JHC group in 1970.[1]
Commonness
The long boat is the eighth most common still life in Achim Flammenkamp's census, being less common than ship but more common than ship-tie.[2]. It is also the tenth most common object on Adam P. Goucher's Catagolue. It is the second most common 7-bit still life, being less common than the loaf but more common than eater 1.[3]
Synthesis
Long boat can be constructed using only 3 gliders; its first glider synthesis was found by John Abbott.[4]
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on June 18, 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.
- ↑ "Life Credits". Mark D. Niemiec. Retrieved on June 12, 2011.
External links
- Long boat at the Life Lexicon
- The 4 seven-bit still-lifes at Mark D. Niemiec's Life Page
| Vessels | |
|---|---|
| No corners (barges) | (^-2) • (^-1) • ^0 • ^1 • ^2 • ^3 |
| One corner (boats) | (^-2) • (^-1) • ^0 • ^1 • ^2 • ^3 |
| Two corners (ships) | (^-1) • ^0 • ^1 • ^2 • ^3 |
Categories:
- Patterns
- Patterns with Catagolue frequency class 6
- Natural periodic objects
- Periodic objects with minimum population 7
- Patterns with 7 cells
- Patterns found by JHC group
- Patterns found in 1970
- Patterns that can be constructed with 3 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 7 cells
- Patterns with bilateral diagonal symmetry