Snacker
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| Snacker | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 40 | ||||||||
| Bounding box | 20 × 11 | ||||||||
| Period | 9 (mod: Unknown) | ||||||||
| Heat | 26.2 | ||||||||
| Volatility | 0.77 | Unknown | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Mark Niemiec | ||||||||
| Year of discovery | 1972 | ||||||||
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Snacker is a pentadecathlon with eater 1 stabilizers that force it into a lower period (from 15 to 9). It was found by Mark Niemiec in 1972. The stabilizers make the domino spark largely inaccessible, but the snacker is extensible as shown below and so a more accessible period 9 domino spark can be obtained – this is exactly the method that was used to create the first period 18 oscillator, 117P18.
Image gallery
 Additional pentadecathlons can be added to extend snacker. The alternate stabilization on the right was found by Dean Hickerson in April 1998. Download RLE: click here |
See also
External links
- Snacker at the Life Lexicon
Categories:
- Patterns
- Oscillators with 40 cells
- Periodic objects with minimum population 40
- Patterns with 40 cells
- Patterns found by Mark Niemiec
- Patterns found in 1972
- Patterns that can be constructed with 17 gliders
- Outer-totalistically endemic patterns
- Oscillators
- Oscillators with period 9
- Oscillators with heat 26
- Oscillators with volatility 0.77
- Domino sparkers
- Patterns with rectangular orthogonal symmetry