User:Atavoidirc/Spaceship table: Difference between revisions

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! style="background-color:#80ff80;" colspan="7" | [[Orthogonal]] speeds
! style="background-color:#80ff80;" colspan="7" | [[Orthogonal]] speeds
|-
|-
! style="background-color:#dfdfff;" | [[c/2 orthogonal|c/2]]
! style="background-color:#c6efce;" | [[c/2 orthogonal|c/2]]
| style="background-color:#c6efce;" | [[64P2H1V0]]
| style="background-color:#c6efce;" | {{cells|32}}
| style="background-color:#c6efce;" |
| style="background-color:#c6efce;" | [[64P2H1V0]]{{refn|group=note|Although Hickerson does not remember which specific c/2 spaceship was discovered first, this was among the earliest.}}
| style="background-color:#c6efce;" | [[Dean Hickerson]]
| style="background-color:#c6efce;" | {{year|1971}}
|-
! style="background-color:#dfdfff;" | [[2c/4 orthogonal|2c/4]]
| style="background-color:#dfdfff;" | [[lightweight spaceship]]
| style="background-color:#dfdfff;" | [[lightweight spaceship]]
| style="background-color:#dfdfff;" | {{cells|9}}
| style="background-color:#dfdfff;" | {{cells|9}}
Line 22: Line 30:
| style="background-color:#dfdfff;" | [[John Conway]]
| style="background-color:#dfdfff;" | [[John Conway]]
| style="background-color:#dfdfff;" | {{year|1970}}
| style="background-color:#dfdfff;" | {{year|1970}}
|-
! style="background-color:#cfffff;" | [[8c/16 orthogonal|8/16]]
| style="background-color:#c6efce;" | [[Coe ship]]
| style="background-color:#c6efce;" | {{cells|28}}
| style="background-color:#c6efce;" |
| style="background-color:#c6efce;" | [[Coe ship]]
| style="background-color:#c6efce;" | [[Tim Coe]]
| style="background-color:#c6efce;" | {{year|1995}}
|-
! style="background-color:#c6efce;" | [[10c/20 orthogonal|10c/20]]
| style="background-color:#c6efce;" | [[Sidewinder]]
| style="background-color:#c6efce;" | {{cells|32}}
| style="background-color:#c6efce;" |
| style="background-color:#c6efce;" | [[Ecologist]]
| style="background-color:#c6efce;" | [[Bill Gosper]]
| style="background-color:#c6efce;" | {{year|1971}}
|-
|-
! style="background-color:#c6efce;" | [[3c/7 orthogonal|3c/7]]
! style="background-color:#c6efce;" | [[3c/7 orthogonal|3c/7]]
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}}</ref>
}}</ref>
</references>
</references>
[[Category:Lists of patterns]]

Revision as of 00:15, 25 June 2023

The following table displays all known spaceship speeds and directions that are reasonably small (<1000 cells).

Show all

Speed Smallest known Min. population   First found Discoverer Year found
Orthogonal speeds
c/2 64P2H1V0 32 64P2H1V0[note 1] Dean Hickerson 1971
2c/4 lightweight spaceship 9 lightweight spaceship John Conway 1970
8/16 Coe ship 28 Coe ship Tim Coe 1995
10c/20 Sidewinder 32 Ecologist Bill Gosper 1971
3c/7 232P7H3V0 232 spaghetti monster Tim Coe 2016
2c/5 30P5H2V0 30 44P5H2V0 Dean Hickerson 1991
c/3[note 2] 25P3H1V0.1, 25P3H1V0.2 25 84P3H1V0.1 Dean Hickerson 1989
2c/7 weekender 36 weekender David Eppstein 2000
c/4 37P4H1V0 37 119P4H1V0 Dean Hickerson 1989
c/5 spider 58 snail Tim Coe 1996
c/6 56P6H1V0 56 dragon Paul Tooke 2000
c/7 loafer 20 loafer Josh Ball 2013
c/10 copperhead 28 copperhead zdr 2016
Diagonal speeds
c/4 glider 5 glider Richard K. Guy 1970
c/5 58P5H1V1 58 295P5H1V1 Jason Summers 2000
c/6 77P6H1V1 77 seal Nicolay Beluchenko 2005
c/7 lobster 83 lobster Matthias Merzenich 2011
c/8 walrus 68 walrus Adam P. Goucher 2023
c/12 2-engine Cordership 100 13-engine Cordership Dean Hickerson 1991
Knightships (slope 2)
(2,1)c/6 Sir Robin 282 Sir Robin Adam P. Goucher and Tomas Rokicki 2018
This spaceship has occurred from an asymmetric soup.
This spaceship has occurred from a symmetric soup.
This spaceship is an elementary spaceship.

Notes

  1. ↑ Although Hickerson does not remember which specific c/2 spaceship was discovered first, this was among the earliest.
  2. ↑ Although neither the first nor the smallest known c/3 spaceships have appeared on Catagolue, the speed as a whole is semi-natural, as on March 4, 2022, a symmetric soup was found containing a dart.[1]

References

  1. ↑ cvojan (March 4, 2022). Re: Soup search results (discussion thread) at the ConwayLife.com forums
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