117P18

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117P18
117P18 image
Pattern type Oscillator
Number of cells 117
Bounding box 39×30
Period 18
Mod 9
Heat 102.9
Volatility 0.86
Strict volatility 0.10
Discovered by David Buckingham
Year of discovery Unknown

117P18 is an unnamed period 18 oscillator. It was the first period 18 oscillator to be found, and was discovered by David Buckingham no later than May, 1991.[1]

It consists of two extended snackers and two blocks used to hassle an R-pentomino.

x = 21, y = 28, rule = B3/S23 3bob2o4b2obo$3b2o2bo2bo2b2o$b2o3bo4bo3b2o$o3b2ob4ob2o3bo$b3obobo2bobob 3o$3bobobo2bobobo$6bo4bo$7bo2bo$7bo2bo3$14b2o$10b2o2b2o$9b2o$10bo$5b2o $5b2o3$10bo2bo$10bo2bo$9bo4bo$6bobobo2bobobo$4b3obobo2bobob3o$3bo3b2ob 4ob2o3bo$4b2o3bo4bo3b2o$6b2o2bo2bo2b2o$6bob2o4b2obo! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 3 LOOP 18 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 480 WIDTH 480 ]]
113P18
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References

  1. DRH-oscillators.rle -- Dean Hickerson's oscillator collection header

External links

  • 117P18.1 at Heinrich Koenig's Game of Life Object Catalogs