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#REDIRECT [[Fleet]]
{{Oscillator
|name            = Harbor
|pname            = harbor
|c                = 64
|bx              = 17
|by              = 17
|p                = 5
|m                = 5
|h                = 35.2
|v                = 0.64
|symmetry        = *c
|discoverer      = David Buckingham
|discoveryear    = 1978
|rulemin          = B3/S23
|rulemax          = B378/S023678
|rulespecial      = [[Conway's Game of Life|Conway Life]]
|isorulemin      = B3aijnr/S23nqry
|isorulemax      = B34-einrw5-cjq6-in78/S01c234-ary5-j678
|synthesis        = 16
|synthesisRLE    = true
|plaintext        = true
|rle              = true
|animated        = true
|apgcode          = xp5_y131u0u13z3lkkk21x12kkkl3z32x12s0s21x23zy13210123
|pentadecathlonid = 64P5.5
|viewerconfig    = #C [[ HEIGHT 600 THUMBSIZE 3 ZOOM 24 GPS 2 LOOP 5 ]]
}}
'''Harbor''' is a {{period|5}} [[oscillator]] that was found by [[David Buckingham]] on September 17, {{year|1978}}.<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> It was named by [[Dean Hickerson]]. In one [[phase]], it consists of four [[ship]]s and eight [[boat]]s.
 
A {{gliders|35}} [[Glider synthesis|synthesis]] of this oscillator can be found in [[jslife]].<ref>{{CiteSummersPattern|name=jslife|accessdate=January 5, 2020}}</ref> A {{gliders|23}} synthesis was found by yootaa on December 22, {{year|2017}}.<ref name="post54037" /> A {{gliders|16}} synthesis was found on April 22, {{year|2023}}.<ref name="j4159809849" />
 
About 1 in 40000 odd-width eightfold symmetric soups (D8_1) form a harbor in the center.
 
== See also ==
* [[Four boats]]
* [[Fleet]]
* [[Octagon II]]
 
== References ==
<references>
<ref name="j4159809849">{{CiteCatagolueJob|job=4159809849|date=April 22, 2023}}</ref>
<ref name="post54037">{{LinkForumThread
|format = ref
|title  = Re: Synthesising Oscillators
|p      = 54037
|author = yootaa
|date  = December 22, 2017
}}</ref>
</references>
 
== External links ==
* {{LinkLexicon|lex_h.htm#harbor}}
* {{LinkCatagolue|xp5_y131u0u13z3lkkk21x12kkkl3z32x12s0s21x23zy13210123}}
* {{LinkPentadecathlonObject|64P5.5}}
 
{{seminatural}}

Latest revision as of 20:06, 7 June 2026

Harbor
x = 17, y = 17, rule = B3/S23 5b2o3b2o$5bobobobo$6bo3bo2$5b2o3b2o$2o2bobo3bobo2b2o$obob2o5b2obobo$bo 13bo2$bo13bo$obob2o5b2obobo$2o2bobo3bobo2b2o$5b2o3b2o2$6bo3bo$5bobobob o$5b2o3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ HEIGHT 600 THUMBSIZE 3 ZOOM 24 GPS 2 LOOP 5 ]]
View animated image
View static image
Pattern type Oscillator
Number of cells 64
Bounding box 17 × 17
Period 5 (mod: 5)
Heat 35.2
Volatility 0.64 | 0.64
Kinetic symmetry *c
Discovered by David Buckingham
Year of discovery 1978

Harbor is a period-5 oscillator that was found by David Buckingham on September 17, 1978.[1] It was named by Dean Hickerson. In one phase, it consists of four ships and eight boats.

A 35-glider synthesis of this oscillator can be found in jslife.[2] A 23-glider synthesis was found by yootaa on December 22, 2017.[3] A 16-glider synthesis was found on April 22, 2023.[4]

About 1 in 40000 odd-width eightfold symmetric soups (D8_1) form a harbor in the center.

See also

References

  1. ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  2. ↑ Jason Summers' jslife pattern collection. Retrieved on January 5, 2020.
  3. ↑ yootaa (December 22, 2017). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  4. ↑ shinjuku (#4159809849) (April 22, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
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