p126 R-pentomino hassler

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p126 R-pentomino hassler
x = 42, y = 20, rule = B3/S23 26bo$24b3o6b2o3bo$23bo9bobobobo$23b2o10bob2o$2o32bobo$bo32bobob3o$bobo 31b2obo2bo$2b2o36b2o$20bo$18b2ob2o$18bo2bo$19b2o5$32bo$33b2o$31b2o$33b o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ HEIGHT 400 WIDTH 600 THUMBSIZE 2 ZOOM 12 GPS 21 ]]
Pattern type Oscillator
Number of cells 52
Bounding box 42 × 20
Period 126 (mod: 126)
Heat 26.3
Volatility 0.91 | 0.89
Kinetic symmetry Unspecified
Discovered by Mitchell Riley
iNoMed
Matthias Merzenich
Year of discovery 2023

The p126 R-pentomino hassler is an oscillator found by Mitchell Riley on August 27, 2023, and then monomerised by iNoMed and reduced by Matthias Merzenich on the same day.[1]

It is the smallest known period-126 oscillator by population. Its discovery led to a new smallest known true period 126 glider gun.[2]

References

  1. iNoMed (August 27, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. Matthias Merzenich (August 27, 2023). Re: Execution of Old Guns by Variable-Speed Firing Squad (discussion thread) at the ConwayLife.com forums