Difference between revisions of "31.4"
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|isorulemin = B/S2-n3knry | |isorulemin = B/S2-n3knry | ||
|isorulemax = B2in34cejkryz5cein6-ik78/S012345678 | |isorulemax = B2in34cejkryz5cein6-ik78/S012345678 | ||
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|apgcode = xs31_0g89fgkcz8llljgzx641 | |apgcode = xs31_0g89fgkcz8llljgzx641 | ||
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'''31.4''' is a {{slcells|31|text=31-cell}} [[still life]]. It serves as a [[catalyst]] in the [[Snark]] reflector, and is thus nicknamed the "heart" of the Snark. It is also used in the [[CP semi-Snark]]. | |||
'''31.4''' is | |||
The "4" of the 31.4 comes from the fact that it is the fourth 31-bit object in [[Mark Niemiec]]'s | The "4" of the 31.4 comes from the fact that it is the fourth 31-bit object in [[Mark Niemiec]]'s still life collection.<ref>{{LinkNiemiec|bits-lg.htm#p1-lg|patternname=41 still-lifes 30 bits and larger|nobullet=nobullet}}</ref> | ||
==See also== | ==See also== | ||
*[[Snark]] | * [[Snark]] | ||
==References== | |||
<references/> | |||
==External links== | ==External links== | ||
{{LinkCatagolue|xs31_0g89fgkcz8llljgzx641}} | * {{LinkCatagolue|xs31_0g89fgkcz8llljgzx641}} | ||
[[Category:Unnamed periodic objects]] | |||
[[Category:Catalysts]] | |||
Latest revision as of 13:04, 21 August 2022
| 31.4 | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 31 | ||||||||
| Bounding box | 13 × 8 | ||||||||
| Discovered by | Mike Playle | ||||||||
| Year of discovery | 2013 | ||||||||
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31.4 is a 31-cell still life. It serves as a catalyst in the Snark reflector, and is thus nicknamed the "heart" of the Snark. It is also used in the CP semi-Snark.
The "4" of the 31.4 comes from the fact that it is the fourth 31-bit object in Mark Niemiec's still life collection.[1]
See also
References
- ↑ 41 still-lifes 30 bits and larger at Mark D. Niemiec's Life Page
External links
- 31.4 at Adam P. Goucher's Catagolue