Caterer on 44P7.2

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Jam on 44P7.2
x = 17, y = 16, rule = b3/s23 3b2o7bo4b$3b2o6bobo3b$3bo7bobo3b$bob3o4b2obob2o$obobo2bo5b2obo$o2bo5bo b2o4b$b2o9bo4b$9b3o5b$6bobo8b$4bo3bob2o5b$2b3obobob2o5b$bo4b2o9b$2b4o 11b$5bo11b$4bo12b$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
Pattern type Oscillator
Number of cells 57
Bounding box 17 × 16
Period 21 (mod: Unknown)
Heat 13.1
Volatility Unknown | Unknown
Kinetic symmetry Unspecified
Discovered by Unknown
Year of discovery Unknown

Jam on 44P7.2 is a period 21 oscillator composed of a jam and the unnamed 44P7.2. In terms of its 57 cells, it is the smallest known non-trivial period 21 oscillator.[1]

Despite being composed of two oscillators of smaller period (3 and 7 respectively), it is considered non-trivial because it has a single cell that is alive in generation 14 and is dead in its other 20 phases.

Image gallery

Generation 14 reveals the single cell with period 21 (in green)

References

  1. Jason Summers' all-osc oscillators collection