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5b2o$4bobo2$2bobo2$obo$2o! #C [[ THEME 6 GRID GRIDMAJOR 0 THUMBLAUNCH AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Oscillator type Muttering moat
Family Barberpole
Number of cells 10
Bounding box 7×7
Period 2
Mod 1
Heat 8
Volatility 0.57
Strict volatility 0.57
Rotor type Pole 4
Discovered by Unknown
Year of discovery 1970

The quadpole (or tetrapole) is the barberpole of length 4.


The quadpole is the eighth most common oscillator in Achim Flammenkamp's census, being less common than the bipole but more common than the great on-off.[1]

See also


  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.

External links

  • Quadpole at Eric Weisstein's Treasure Trove of Life