Penny lane
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| Penny lane | |||||||||||
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| Pattern type | Oscillator | ||||||||||
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| Number of cells | 34 | ||||||||||
| Bounding box | 15 × 10 | ||||||||||
| Period | 4 (mod: 4) | ||||||||||
| Heat | 6 | ||||||||||
| Volatility | 0.24 | 0.20 | ||||||||||
| Kinetic symmetry | -c | ||||||||||
| Discovered by | David Buckingham | ||||||||||
| Year of discovery | 1972 | ||||||||||
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Penny lane[note 1] is a period-4 oscillator that was found by David Buckingham in 1972.[1][2] It uses two blocks and a tub as induction coils.
| An extended version of penny lane[3] (click above to open LifeViewer) RLE: here Plaintext: here |
Notes
- ↑ Named after the song "Penny Lane" by the Beatles.
References
- ↑ Robert Wainwright (March 1973). Lifeline, vol 9, page 3.
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ https://conwaylife.com/forums/viewtopic.php?f=2&t=576&p=27702#p27702
External links
- Penny lane at the Life Lexicon
- 34P4.11 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Oscillators with 34 cells
- Periodic objects with minimum population 34
- Patterns with 34 cells
- Patterns found by David Buckingham
- Patterns found in 1972
- Patterns that can be constructed with 23 gliders
- Oscillators
- Oscillators with period 4
- Oscillators with mod 4
- Oscillators with heat 6
- Oscillators with volatility 0.24
- Oscillators with strict volatility 0.20
- Oscillators with -c symmetry