Pentadecathlon on snacker
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.
Pentadecathlon on snacker | |||||||||||
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Pattern type | Oscillator | ||||||||||
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Number of cells | 52 | ||||||||||
Bounding box | 20×20 | ||||||||||
Period | 45 | ||||||||||
Mod | 45 | ||||||||||
Heat | 48.7 | ||||||||||
Volatility | 0.87 | ||||||||||
Strict volatility | 0.01 | ||||||||||
Discovered by | Unknown | ||||||||||
Year of discovery | Unknown | ||||||||||
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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 |
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