R2-D2

R2D2
x = 11, y = 10, rule = B3/S23 5bo$4bobo$3bobobo$3bobobo$2obo3bob2o$2obo3bob2o$3bo3bo$3bobobo$4bobo$ 5bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
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Pattern type	Oscillator
Number of cells	29
Bounding box	11 × 10
Period	8
Mod	Unknown
Heat	2.0
Volatility	0.22
Strict volatility	Unknown
Discovered by	Peter Raynham
Year of discovery	Unknown
Rules Outer-totalistic rules B3/S23 – B378/S0235678 # of rules 27 = 128
Pattern files Plaintext r2d2.cells RLE r2d2.rle

R2D2 is a period 8 oscillator that was found, in the form shown here, by Peter Raynham in the early 1970s. The name derives from a form with a larger and less symmetric stator discovered by Noam Elkies in August 1994.

See also

• Gray counter

External links

• R2-D2 at the Life Lexicon

• R2-D2 at Adam P. Goucher's Catagolue