Jolson

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Jolson
Jolson image
Pattern type Oscillator
Number of cells 42
Bounding box 18×22
Period 15
Mod Unknown
Heat 47.9
Volatility 0.98
Strict volatility 0.98
Discovered by Robert Wainwright
Year of discovery 1984

Jolson (also known as Al Jolson) is a period 15 oscillator consisting of two blocks hassled by two pentadecathlons. It was found by Robert Wainwright in November 1984 and named by Bill Gosper. A period 9 version that uses two snackers instead of pentadecathlons is also possible (see below). It is not possible to create a period 45 version by using one snacker and one pentadecathlon, however, as the sparks end up destroying one of the middle blocks.

Image gallery

The period 9 version of Jolson
Download RLE: click here
One of the phases of Jolson, which led to its name

External links