Blocker

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Blocker
6bobob$5bo4b$2o2bo4bo$2obo2bob2o$4b2o! #C [[ THEME 6 GRID GRIDMAJOR 0 THUMBLAUNCH AUTOSTART ]] #C [[ GPS 4 THUMBSIZE 2 ]]
Pattern type Oscillator
Number of cells 15
Bounding box 10×5
Period 8
Mod 4
Heat 9
Volatility 0.89
Strict volatility 0.89
Discovered by Robert Wainwright
Year of discovery Unknown

Blocker is a period 8 oscillator found by Robert Wainwright. It is a useful dot sparker consisting of two blocks hassling an unnamed object. It reappears half way through its cycle rotated through 180 degrees.

Commonness

Blocker is about the sixteenth most common naturally-occurring oscillator in Achim Flammenkamp's census, being less common than mazing but more common than jam.[1]

See also

References

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

External links

  • Blocker at Eric Weisstein's Treasure Trove of Life