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28P7.1 image
Pattern type Oscillator
Number of cells 28
Bounding box 13×9
Period 7
Mod 7
Heat 4.9
Volatility 0.40
Strict volatility 0.40
Discovered by Dean Hickerson
Year of discovery 1998

28P7.1 is an unnamed period 7 oscillator discovered by Dean Hickerson in 1998. In terms of its 28 cells, it is tied with oscillators burloaferimeter and 28P7.2 as the smallest known period 7 oscillator.[1]

See also


  1. "Class 2 Objects Catalog". Retrieved on March 14, 2009.

External links

  • 28P7.1 at Heinrich Koenig's Game of Life Object Catalogs