p40 B-heptomino shuttle

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p40 B-heptomino shuttle
p40 B-heptomino shuttle image
Pattern type Oscillator
Oscillator type Shuttle
Number of cells 68
Bounding box 28×23
Period 40
Mod 20
Heat 44.2
Volatility 0.88
Strict volatility 0.45
Discovered by David Buckingham
Year of discovery Unknown

P40 B-heptomino shuttle is a period 40 shuttle oscillator found by David Buckingham sometime before May 1991,[1] being the first period 40 oscillator to be discovered. It consists of two blockers, two tubs, and a fumarole hassling a B-heptomino.

Image gallery

Generation 17 reveals that the object being hassled is a B-heptomino.

See also


  1. Dean Hickerson's oscillator stamp collection.

External links

  • 68P40.1 at Heinrich Koenig's Game of Life Object Catalogs