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{{For|the period-36 oscillator|22P36}}
{{For|the period-36 oscillator|22P36}}
'''Jason's p22''' (or '''36P22''') is an unnamed {{period|22}} [[oscillator]] discovered by [[Jason Summers]] on August 27, {{year|2000}}.<ref>{{CiteSummersPattern|name=all-osc}}</ref> It is composed of an unnamed reaction stabilized by two copies of [[eater 1]]. In terms of its {{cells|36}} [[cell]]s, it is the smallest known period 22 oscillator, followed by [[beacon on 38P11.1]] and [[champagne glass]] with {{cells|40}} and {{cells|45}} cells, respectively.<ref>{{cite web|url=http://pentadecathlon.com/objects/class2/class2.php?part=2 |title=Class 2 Objects Catalog |accessdate=April 9, 2009}}</ref> Later on the day of the oscillator's discovery, [[David Eppstein]] found a way to combine two of them to produce the first [[true period 22 gun]].<ref>{{CiteLexicon|lex_t.htm#true|name=true|accessdate=July 7, 2009}}</ref> In February {{year|2001}} Jason Summers found a {{gliders|12}} [[synthesis]] of this oscillator,<ref>{{CiteSummersPattern|name=jslife}}</ref> which was improved to {{gliders|11|brief}} gliders by [[2718281828]] in December {{year|2017}}<ref name="post53462" /> and later {{gliders|10|brief}} by [[Mark Niemiec]] in September {{year|2019}}.<ref name="post83462" />
'''Jason's p22''' (or '''36P22''') is a {{period|22}} [[oscillator]] discovered by [[Jason Summers]] on August 27, {{year|2000}}.<ref>{{CiteSummersPattern|name=all-osc}}</ref> It is composed of an unnamed reaction stabilized by two copies of [[eater 1]]. In terms of its {{cells|36}} [[cell]]s, it is the smallest known period 22 oscillator, followed by [[beacon on 38P11.1]] and [[champagne glass]] with {{cells|40}} and {{cells|45}} cells, respectively.<ref>{{cite web|url=http://pentadecathlon.com/objects/class2/class2.php?part=2 |title=Class 2 Objects Catalog |accessdate=April 9, 2009}}</ref> Later on the day of the oscillator's discovery, [[David Eppstein]] found a way to combine two of them to produce the first [[true period 22 gun]].<ref>{{CiteLexicon|lex_t.htm#true|name=true|accessdate=July 7, 2009}}</ref> In February {{year|2001}} Jason Summers found a {{gliders|12}} [[synthesis]] of this oscillator,<ref>{{CiteSummersPattern|name=jslife}}</ref> which was improved to {{gliders|11|brief}} gliders by [[2718281828]] in December {{year|2017}}<ref name="post53462" /> and later {{gliders|10|brief}} by [[Mark Niemiec]] in September {{year|2019}}.<ref name="post83462" />


==[[LCM oscillator]]s==
==[[LCM oscillator]]s==

Revision as of 01:27, 3 February 2022

Jason's p22
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Pattern type Oscillator
Number of cells 36
Bounding box 27 × 14
Period 22 (mod: 22)
Heat 35.6
Volatility 0.93 | 0.93
Kinetic symmetry Unspecified
Discovered by Jason Summers
Year of discovery 2000
For the period-36 oscillator, see 22P36.

Jason's p22 (or 36P22) is a period-22 oscillator discovered by Jason Summers on August 27, 2000.[1] It is composed of an unnamed reaction stabilized by two copies of eater 1. In terms of its 36 cells, it is the smallest known period 22 oscillator, followed by beacon on 38P11.1 and champagne glass with 40 and 45 cells, respectively.[2] Later on the day of the oscillator's discovery, David Eppstein found a way to combine two of them to produce the first true period 22 gun.[3] In February 2001 Jason Summers found a 12-glider synthesis of this oscillator,[4] which was improved to 11 gliders by 2718281828 in December 2017[5] and later 10 by Mark Niemiec in September 2019.[6]

LCM oscillators

x = 33, y = 13, rule = B3/S23 27bo$25bo3b4o$25bo3bo$2o23bo$bo26bo$bobo13b3o6b2o$2b2o3bo8bo3bo$6bob2o 6bo4bo$5bo4bo6b2obo$6bo3bo8bo3b2o$7b3o13bobo$25bo$25b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 22 THUMBSIZE 2 ]]
Caterer on Jason's p22, the smallest known p66 oscillator by population
(click above to open LifeViewer)
RLE: here Plaintext: here
x = 35, y = 14, rule = B3/S23 23b2o$23bo$25b2o2$2o24bobo$bo$bobo13b3o8bobo$2b2o3bo8bo3bo$6bob2o6bo4b o8bobo$5bo4bo6b2obo11bo$6bo3bo8bo3b2o9bo$7b3o13bobo7b2o$25bo$25b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 22 THUMBSIZE 2 ]]
Pseudo-barberpole on Jason's p22, the smallest known p110 oscillator by population
(click above to open LifeViewer)
RLE: here Plaintext: here

References

  1. ↑ Jason Summers' all-osc pattern collection.
  2. ↑ "Class 2 Objects Catalog". Retrieved on April 9, 2009.
  3. ↑ "true". The Life Lexicon. Stephen Silver. Retrieved on July 7, 2009.
  4. ↑ Jason Summers' jslife pattern collection.
  5. ↑ 2718281828 (December 6, 2017). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  6. ↑ Mark Niemiec (September 30, 2019). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
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