Pentadecathlon on snacker
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| pentadecathlon on snacker | |||||||
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| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 52 | ||||||
| Bounding box | 20 × 20 | ||||||
| Period | 45 (mod: Unknown) | ||||||
| Heat | 48.7 | ||||||
| Volatility | Unknown | Unknown | ||||||
| Kinetic symmetry | Unspecified | ||||||
| Discovered by | Unknown | ||||||
| Year of discovery | Unknown | ||||||
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Pentadecathlon on snacker is a period 45 oscillator composed of a pentadecathlon and a snacker. Although it is composed of two oscillators of smaller periods (15 and 9 respectively), it is considered to be non-trivial, because it has two cells that oscillate at the full period. It was the first non-trivial period 45 oscillator to be discovered and was discovered sometime before August 1995. In terms of its 52 cells, it is the second smallest known non-trivial period 45 oscillator, after pentadecathlon on thumb 1 with 48 cells.
Image gallery
 Generation 5 reveals the two cells that oscillate at the full period (in green). |
 An alternate form of pentadecathlon on snacker, with a slightly smaller bounding box of 20×18 Download RLE: click here |