Difference between revisions of "P56 B-heptomino shuttle"
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|viewerconfig = #C [[ LOOP 40 GPS 8 THUMBSIZE 2 ]] | |||
|apgcode = xp56_66625dw66zyb66zzy0oow8s26zy61ooo8kkwoozyc1 | |apgcode = xp56_66625dw66zyb66zzy0oow8s26zy61ooo8kkwoozyc1 | ||
|pentadecathlonid = 45P56.1 | |pentadecathlonid = 45P56.1 |
Revision as of 03:18, 20 May 2019
p56 B-heptomino shuttle | |||||||||
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Pattern type | Oscillator | ||||||||
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Oscillator type | Shuttle | ||||||||
Number of cells | 45 | ||||||||
Bounding box | 28 × 21 | ||||||||
Period | 56 | ||||||||
Mod | 28 | ||||||||
Heat | 30.3 | ||||||||
Volatility | 0.94 | ||||||||
Strict volatility | 0.57 | ||||||||
Discovered by | David Buckingham | ||||||||
Year of discovery | Unknown | ||||||||
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P56 B-heptomino shuttle is a period 56 oscillator discovered in its original form (shown below) by David Buckingham sometime before May 1991,[1] being the first period 56 oscillator to be found. It consists of a B-heptomino being hassled by two blockers and two blocks. In terms of its 45 cells, it is the smallest known period 56 oscillator.[2] The blockers interact with the B twice, once to supress the block, and another time to prevent the formation of a herschel.
Image gallery
See also
References
- ↑ Dean Hickerson's oscillator stamp collection.
- ↑ Jason Summers' all-osc oscillators collection
External links
- 45P56.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Oscillators with 45 cells
- Periodic objects with minimum population 45
- Patterns with 45 cells
- Patterns found by David Buckingham
- Patterns that can be constructed with 15 gliders
- Oscillators
- Shuttles
- Oscillators with period 56
- Oscillators with mod 28
- Oscillators with heat 30
- Oscillators with volatility 0.94
- Oscillators with strict volatility 0.57
- Non-flipping oscillators that turn 180 degrees