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'''Jam''' was found by [[Achim Flammenkamp]] in {{year|1988}},<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> but not widely known about until its independent discovery (and naming) by [[Dean Hickerson]] in September {{year|1989}}. In terms of its 7×7 [[bounding box]] it ties with [[trice tongs]] as the smallest {{period|3}} [[oscillator]], though [[caterer]] has fewer [[cell]]s. | '''Jam''' was found by [[Achim Flammenkamp]] in {{year|1988}},<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> but not widely known about until its independent discovery (and naming) by [[Dean Hickerson]] in September {{year|1989}}. In terms of its 7×7 [[bounding box]] it ties with [[trice tongs]] as the smallest {{period|3}} [[oscillator]], though [[caterer]] has fewer [[cell]]s. | ||
==[[List of common oscillators|Commonness]]== | == [[List of common oscillators|Commonness]] == | ||
Jam is about the seventeenth most [[common]] naturally-occurring oscillator in [[Achim Flammenkamp's census]], being slightly less common than the [[blocker]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> On [[Catagolue]], it is the second most common period 3 oscillator, being less common than the [[pulsar]] but more common than the [[candlefrobra on trans-block]].<ref>{{citeCatagolue|page=census/b3s23/C1|title=Census|accessdate=October 27, 2018}}</ref> | Jam is about the seventeenth most [[common]] naturally-occurring oscillator in [[Achim Flammenkamp's census]], being slightly less common than the [[blocker]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> On [[Catagolue]], it is the second most common period 3 oscillator, being less common than the [[pulsar]] but more common than the [[candlefrobra on trans-block]].<ref>{{citeCatagolue|page=census/b3s23/C1|title=Census|accessdate=October 27, 2018}}</ref> | ||
== | == [[Glider synthesis]] == | ||
{{Small constructible periodic object}} | |||
==References== | == See also == | ||
* [[Crown]] | |||
* [[Jam on Beluchenko's p13]] | |||
* [[Jam on 44P7.2]] | |||
* [[Mold]] | |||
== References == | |||
<references /> | <references /> | ||
==External links== | == External links == | ||
{{LinkLexicon|lex_j.htm#jam}} | {{LinkLexicon|lex_j.htm#jam}} | ||
{{LinkCatagolue|xp3_695qc8zx33}} | {{LinkCatagolue|xp3_695qc8zx33}} | ||
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{{Sparker|p=3|type=dot|strength=weak}} | {{Sparker|p=3|type=dot|strength=weak}} | ||
Revision as of 04:10, 24 December 2021
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| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 13 | ||||||||
| Bounding box | 7 × 7 | ||||||||
| Frequency class | 27.6 | ||||||||
| Period | 3 (mod: 3) | ||||||||
| Heat | 7.3 | ||||||||
| Volatility | 0.55 | 0.55 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Achim Flammenkamp | ||||||||
| Year of discovery | 1988 | ||||||||
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Jam was found by Achim Flammenkamp in 1988,[1] but not widely known about until its independent discovery (and naming) by Dean Hickerson in September 1989. In terms of its 7×7 bounding box it ties with trice tongs as the smallest period-3 oscillator, though caterer has fewer cells.
Jam is about the seventeenth most common naturally-occurring oscillator in Achim Flammenkamp's census, being slightly less common than the blocker.[2] On Catagolue, it is the second most common period 3 oscillator, being less common than the pulsar but more common than the candlefrobra on trans-block.[3]
All strict still lifes with a population of 23 or fewer cells, all oscillators with 16 or fewer cells, and all spaceships with 35 or fewer cells are known to be glider-constructible. A glider synthesis of this object can be found in the infobox to the right.
See also
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Adam P. Goucher. "Census". Catagolue. Retrieved on October 27, 2018.
External links
- Jam at the Life Lexicon
- Jam at Adam P. Goucher's Catagolue
- 13P3.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 27
- Natural periodic objects
- Oscillators with 13 cells
- Periodic objects with minimum population 13
- Patterns with 13 cells
- Patterns found by Achim Flammenkamp
- Patterns found in 1988
- Patterns that can be constructed with 6 gliders
- Oscillators
- Oscillators with period 3
- Oscillators with mod 3
- Oscillators with heat 7
- Oscillators with volatility 0.55
- Oscillators with strict volatility 0.55
- Sparkers
- Sparkers with period 3
- Dot sparkers
- Weak sparkers