Difference between revisions of "T-nosed p4"
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|isorulemin = B3-ceky/S23-acjy | |isorulemin = B3-ceky/S23-acjy | ||
|isorulemax = B2n34ceqryz5-eqr6-ik7c/S01c234-airt5-in6-c7c8 | |isorulemax = B2n34ceqryz5-eqr6-ik7c/S01c234-airt5-in6-c7c8 | ||
|synthesis = | |synthesis = 52 | ||
|synthesisRLE = true | |synthesisRLE = true | ||
|plaintext = true | |plaintext = true |
Revision as of 14:40, 10 August 2019
T-nosed p4 | |||||||||||
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Pattern type | Oscillator | ||||||||||
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Oscillator type | T-nose | ||||||||||
Number of cells | 31 | ||||||||||
Bounding box | 11 × 12 | ||||||||||
Period | 4 | ||||||||||
Mod | 4 | ||||||||||
Heat | 15 | ||||||||||
Volatility | 0.55 | ||||||||||
Strict volatility | 0.49 | ||||||||||
Discovered by | Robert Wainwright | ||||||||||
Year of discovery | 1989 | ||||||||||
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T-nosed p4 is a period 4 oscillator that was found in October 1989 by Robert Wainwright. It can be used as a filter that deletes every other lightweight spaceship in a stream of period 4n + 2.[1]
A variant based on the overweight emulator is shown below.
(click above to open LifeViewer) RLE: here Plaintext: here |
See also
References
- ↑ "Filter". The Life Lexicon. Stephen Silver. Retrieved on March 15, 2009.
External links
- T-nosed p4 at the Life Lexicon
- 31P4.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Oscillators with 31 cells
- Periodic objects with minimum population 31
- Patterns with 31 cells
- Patterns found by Robert Wainwright
- Patterns found in 1989
- Patterns that can be constructed with between 50 and 59 gliders
- Oscillators
- T-noses
- Oscillators with period 4
- Oscillators with mod 4
- Oscillators with heat 15
- Oscillators with volatility 0.55
- Oscillators with strict volatility 0.49
- Patterns with bilateral orthogonal symmetry
- Sparkers
- Sparkers with period 4
- Weak sparkers