66P13

66P13 is a period-13 oscillator and sparker that was found by Bullet51 on November 12, 2019.[1] A monomerized version[2] and a stator reduction[3] were found by Aidan F. Pierce and Matthias Merzenich respectively shortly after, producing the version shown in the infobox. Over the next day, various hassling oscillators were posted using variants of 66P13, including a bi-block hassler,[4] a block-and-pond hassler,[5] a bumper loop,[5] and a ship hassler.[6]

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Various reactions involving 66P13 (click above to open LifeViewer)
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66P13
<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 20, y = 17, rule = B3/S23 5bo$3b5o$2bo5bo$2bo2b3o10b2o$b2obo13bo$o3b2o9b2obo$bobo2bo10bo$2ob2ob 2o5bo$7bo4bo$2ob2ob2o5bobo$bobo2bo$o3b2o$b2obo$2bo2b3o$2bo5bo$3b5o$5bo ! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ GPS 3 ZOOM 14 LOOP 13 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> File:66p13.png <html></noscript></canvas></div></html>
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Pattern type Oscillator
Number of cells 66
Bounding box 20×17
Period 13
Mod 13
Heat 17.38
Volatility 0.57
Strict volatility 0.57
Discovered by Bullet51
Aidan F. Pierce
Matthias Merzenich
Year of discovery 2019

Martin Grant posted an 86-glider synthesis for this oscillator on March 20, 2020.[7]

References
  1. Bullet51 (November 12, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. Aidan F. Pierce (November 12, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  3. Matthias Merzenich (November 12, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  4. Matthias Merzenich (November 12, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  5. Matthias Merzenich (November 13, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  6. Aidan F. Pierce (November 13, 2019). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  7. Martin Grant (March 20, 2020). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
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