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|viewerconfig = #C [[ ZOOM 15 THUMBSIZE 3 HEIGHT 400 GPS 8 LOOP 19 ]]
|viewerconfig = #C [[ ZOOM 15 THUMBSIZE 3 HEIGHT 400 GPS 8 LOOP 19 ]]
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'''Riley's p19''' is a {{period|19}} oscillator found by [[Mitchell Riley]] on July 14 {{year|2023}} using [[CatForce]], and is the first period-19 oscillator to be discovered.<ref name="post163664" />
'''Riley's p19''' is a {{period|19}} oscillator found by [[Mitchell Riley]] on July 14, {{year|2023}} using [[CatForce]], and is the first period-19 oscillator to be discovered.<ref name="post163664" />


On the day of its discovery, [[iNoMed]] discovered a pair of successive stator reductions over the original form (first to 96 cells, then to 94), <ref name="post163666" /> which was subsequently reduced by [[May13]] to a 92-cell form.<ref name="post163668" /> Each reduction was made by replacing its stators with smaller components.
On the day of its discovery, [[iNoMed]] discovered a pair of successive stator reductions over the original form (first to 96 cells, then to 94), <ref name="post163666" /> which was subsequently reduced by [[May13]] to a 92-cell form.<ref name="post163668" /> Each reduction was made by replacing its stators with smaller components.

Revision as of 10:50, 14 July 2023

Riley's p19
Riley's p19 image
Pattern type Oscillator
Number of cells 92
Bounding box 32 × 21
Period 19 (mod: 19)
Heat 33.5
Volatility 0.72 | 0.72
Kinetic symmetry Unspecified
Discovered by Mitchell Riley
Year of discovery 2023

Riley's p19 is a period-19 oscillator found by Mitchell Riley on July 14, 2023 using CatForce, and is the first period-19 oscillator to be discovered.[1]

On the day of its discovery, iNoMed discovered a pair of successive stator reductions over the original form (first to 96 cells, then to 94), [2] which was subsequently reduced by May13 to a 92-cell form.[3] Each reduction was made by replacing its stators with smaller components.

x = 34, y = 21, rule = B3/S23 29bo$28bobo$17bo10bobo$15b3o9b2o2b2o$14bo11bo2bobo$14b2o9bob3obo$25bo6b2o$11bo15b4obo$3bo7b2o8bo5bo2bobo$2bobo16bo6b2o2b2o$2bobo7bo8bo7bobo$2o2b2o6bo16bobo$bobo2bo5bo8b2o7bo$bob4o15bo$2o6bo$2bob3obo9b2o$2bobo2bo11bo$b2o2b2o9b3o$3bobo10bo$3bobo$4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ]]
The original form, as initially discovered
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x = 38, y = 13, rule = B3/S23 3bo8b2o8b2o8b2o$2bobo7bobo7bobo7bobo$2bobo9bo9bo9bo$2o2b2o8b2o5bo2b2o8b2o$bobo3bo4b2o3bo3b3o3bo4b2o3bo$bob5o3bo2b4o6b4o3bo2b4o$2o10b2o9bo7bobo$2bob4o6b4o4bob4o4bob4o$2bobo2bo6bo2bo4bobo2bo6bo2bo$b2o2b2o8b2o4b2o2b2o5bo2b2o$3bobo4b2obobo7bobo6b2obo$3bobo4bob2o2bo6bobo9bo$4bo10b2o7bo10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ]]
The stator variants, from the discovery (left), iNoMed's reductions and the current form (right).
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References

  1. ↑ Carson Cheng (July 14, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. ↑ iNoMed (July 14, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  3. ↑ May13 (July 14, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums