Pulsar quadrant

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Pulsar quadrant
5bo2b$3b3o2b$2bo3b2o$o2bo2bob$o3bobob$o4bo2b2$2b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 GPS 2 ]]
Pattern type Oscillator
Number of cells 18
Bounding box 9×9
Period 3
Mod 3
Heat 8
Volatility 0.46
Strict volatility 0.46
Discovered by David Buckingham
Year of discovery 1973

Pulsar quadrant (or pulse) is a period-3 oscillator that was found by David Buckingham in July 1973.[1] It consists of a quarter of the outer part of a pulsar stabilized by a cis-fuse with two tails.


Information on this oscillator's natural occurrence with respect to other naturally-occurring patterns is currently unknown.

See also


  1. Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.

External links

  • 18P3.39 at Heinrich Koenig's Game of Life Object Catalogs