Beluchenko's p37

Beluchenko's p37 is a period-37 oscillator consisting of 4 loaves and 8 blocks hassling 8 R-pentominoes. It was the first period 37 oscillator to be found, and was discovered by Nicolay Beluchenko on April 14, 2009.[1] It was the only known unique period 37 oscillator until the discovery of 132P37 in March 2010. In terms of its 124 cells, it currently smallest known period 37 oscillator. Adam P. Goucher noticed that two of these oscillators could interact non-trivially by hassling a beehive and a block.

Beluchenko's p37
<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html> #N 124P37 #O Nicolay Beluchenko #C The first period 37 oscillator to be found. Discovered in April 2009. #C www.conwaylife.com/wiki/index.php?title=124P37 x = 37, y = 37, rule = 23/3 11b2o11b2o11b$11b2o11b2o11b3$6bo23bo6b$5bobo5bo9bo5bobo5b$4bo2bo5bob2o 3b2obo5bo2bo4b$5b2o10bobo10b2o5b$15bobobobo15b$16bo3bo16b2$2o33b2o$2o 33b2o$5b2o23b2o5b2$6bobo19bobo6b$6bo2bo17bo2bo6b$7b2o19b2o7b2$7b2o19b 2o7b$6bo2bo17bo2bo6b$6bobo19bobo6b2$5b2o23b2o5b$2o33b2o$2o33b2o2$16bo 3bo16b$15bobobobo15b$5b2o10bobo10b2o5b$4bo2bo5bob2o3b2obo5bo2bo4b$5bob o5bo9bo5bobo5b$6bo23bo6b3$11b2o11b2o11b$11b2o11b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ LOOP 37 GPS 18 THUMBSIZE 2 ZOOM 10 HEIGHT 480 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
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Pattern type Oscillator
Number of cells 124
Bounding box 37×37
Period 37
Mod 37
Heat 94.3
Volatility 0.94
Strict volatility 0.94
Discovered by Nicolay Beluchenko
Year of discovery 2009

Matthias Merzenich found a 76-glider synthesis for this oscillator on July 12, 2009,[2] and improved it to 72 on September 9, 2013.[3]

This oscillator first appeared on Catagolue in March 2015.[4]

Two copies of 124P37 hassling a beehive and a block
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See also

References
  1. Jason Summers' all-osc pattern collection. Retrieved on December 15, 2009.
  2. Matthias Merzenich (July 12, 2009). Glider syntheses (discussion thread) at the ConwayLife.com forums
  3. Matthias Merzenich (September 9, 2013). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  4. gameoflifeboy (March 24, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums
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