Paperclip: Difference between revisions

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{{Symmetry|180degree}}
{{Symmetry|180degree}}
__NOTOC__

Revision as of 21:32, 4 January 2022

Paperclip
x = 5, y = 6, rule = B3/S23 2b2o$bo2bo$bob2o$2obo$o2bo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
Pattern type Strict still life
Number of cells 14
Bounding box 5 × 6
Frequency class 12.8
Static symmetry Unspecified
Discovered by Unknown
Year of discovery Unknown

Paperclip (or drain trap[1] or S[2]) is a 14-bit still life.

It contains a photonegative Z-hexomino.

Paperclip is the sixteenth most common still life in Achim Flammenkamp's census, being less common than aircraft carrier but more common than long ship.[3]. It is also the twenty-second most common object on Adam P. Goucher's Catagolue.[4]

Because it usually forms from specific predecessors, the difference in frequency in asymmetric soups compared to C2_2 (the symmetry the object has) is small, although not negligible. Similarly, in rules that support the object but not its predecessors, such as HighLife, it is much less common.

All strict still lifes with a population of 23 or fewer cells, all oscillators with 16 or fewer cells, and all spaceships with 35 or fewer cells are known to be glider-constructible. A glider synthesis of this object can be found in the infobox to the right.

See also

References

  1. ↑ "Drain trap". The Life Lexicon. Stephen Silver. Retrieved on May 2, 2009.
  2. ↑ "S". The Life Lexicon. Stephen Silver. Retrieved on May 2, 2009.
  3. ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  4. ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.