Sir Robin

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Sir Robin
#N Sir Robin #O Adam P. Goucher, Tom Rokicki; 2018 #C The first elementary knightship to be found in Conway's Game of Life. #C http://conwaylife.com/wiki/282P6H2V1 x = 31, y = 79, rule = B3/S23 4b2o$4bo2bo$4bo3bo$6b3o$2b2o6b4o$2bob2o4b4o$bo4bo6b3o$2b4o4b2o3bo$o9b 2o$bo3bo$6b3o2b2o2bo$2b2o7bo4bo$13bob2o$10b2o6bo$11b2ob3obo$10b2o3bo2b o$10bobo2b2o$10bo2bobobo$10b3o6bo$11bobobo3bo$14b2obobo$11bo6b3o2$11bo 9bo$11bo3bo6bo$12bo5b5o$12b3o$16b2o$13b3o2bo$11bob3obo$10bo3bo2bo$11bo 4b2ob3o$13b4obo4b2o$13bob4o4b2o$19bo$20bo2b2o$20b2o$21b5o$25b2o$19b3o 6bo$20bobo3bobo$19bo3bo3bo$19bo3b2o$18bo6bob3o$19b2o3bo3b2o$20b4o2bo2b o$22b2o3bo$21bo$21b2obo$20bo$19b5o$19bo4bo$18b3ob3o$18bob5o$18bo$20bo$ 16bo4b4o$20b4ob2o$17b3o4bo$24bobo$28bo$24bo2b2o$25b3o$22b2o$21b3o5bo$ 24b2o2bobo$21bo2b3obobo$22b2obo2bo$24bobo2b2o$26b2o$22b3o4bo$22b3o4bo$ 23b2o3b3o$24b2ob2o$25b2o$25bo2$24b2o$26bo! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 6 -1/6 -1/3 THUMBSIZE 2 HEIGHT 480 ZOOM 4 GPS 12 ]]
Pattern type Spaceship
Number of cells 282
Bounding box 31×79
Direction Oblique
Slope 2
Period 6
Mod 6
Speed (2,1)c/6
Heat 271
Discovered by Adam P. Goucher
Tomas Rokicki
Year of discovery 2018

Sir Robin[note 1] (also known by its systematic name 282P6H2V1, and alternatively called seahorse) is a (2,1)c/6 spaceship found by Adam P. Goucher on March 6, 2018 using his ikpx search program, based on a partial found by Tomas Rokicki.[1] It is the first elementary knightship in Conway's Game of Life.

A scientific paper describing the method used to find the ship is forthcoming.[2]

Reactions

Martin Grant constructed a Sir Robin eater with a repeat time of 557 on March 8, 2018:[3]

#N Sir Robin eater #O Martin Grant; March 2018 #C Eater for Sir Robin (but not his minstrels), repeat time 557. #C http://conwaylife.com/wiki/Sir_Robin #C http://www.conwaylife.com/forums/viewtopic.php?p=57499#p57499 x = 176, y = 354, rule = B3/S23 67b2o$67bobo$69bo4b2o$44b2o19b4ob2o2bo2bo$44bobo18bo2bobobobob2o$46bo 4b2o15bobobobo$42b4ob2o2bo2bo14b2obobo$42bo2bobobobob2o18bo$45bobobobo $46b2obobo7b2o$50bo9bo7b2o$60bobo5b2o$36b2o23b2o$37bo7b2o$37bobo5b2o$ 38b2o$27b2o$26bo2bo3b2o$26bobo3bobo$27bob4obob2o33b2o22bo$29bo4bo2bo 33bo3bo17b3o$28bo3b2obo36b4o16bo$27bo3bobob2o11b2o42b2o$27b2o3bo15bo 21b4o$49b3o17bo3bo$21b2o28bo17b2o29b2o$22bo78bo$22bobo76bob2o$23b2o52b 2o14b2o4b3o2bo$78bo14b2o3bo3b2o$78bob2o16b4o$70b2o4b3o2bo2b2o15bo$70b 2o3bo3bobobobo12b3o$75b4o2bobo13bo$61b2o15bobo2bo14b5o$60bobo12b3o2bob o19bo$60bo13bo5b2o18bo$59b2o14b5o20b2o$79bo$77bo$77b2o9$63bo$63b3o$66b o$65b2o2$24b2o$23bobo$23bo$22b2o2$75b2o$68b2o5bobo$58b2o8b2o7bo$58bo 18b2o$56bobo$56b2o6bo$63bobob2o$63bobobobo$60b2obobobobo2bo$60bo2bo2b 2ob4o$62b2o4bo$68bobo$69b2o4$9bo$9b3o$12bo$11b2o14b2o$26bobo$26bo$3b2o 20b2o$3bo$2obo$o2b3o4b2o$b2o3bo3b2o$3b4o$3bo15b2o$4b3o12bobo$7bo13bo 34b2o$2b5o14b2o33bo2bo$2bo53bo3bo$4bo53b3o$3b2o28b2o19b2o6b4o$33b2o19b ob2o4b4o$53bo4bo6b3o$54b4o4b2o3bo$52bo9b2o$53bo3bo$35bo22b3o2b2o2bo$ 33b3o18b2o7bo4bo$32bo32bob2o$32b2o28b2o6bo$63b2ob3obo$62b2o3bo2bo$62bo bo2b2o$62bo2bobobo$62b3o6bo$63bobobo3bo$22b2o42b2obobo$21bobo5b2o32bo 6b3o$21bo7b2o$20b2o41bo9bo$63bo3bo6bo$34bo29bo5b5o$30b2obobo28b3o$29bo bobobo32b2o$26bo2bobobobob2o26b3o2bo$26b4ob2o2bo2bo24bob3obo$30bo4b2o 25bo3bo2bo$28bobo32bo4b2ob3o$28b2o35b4obo4b2o$65bob4o4b2o$71bo$72bo2b 2o$72b2o$73b5o$77b2o$71b3o6bo$72bobo3bobo$71bo3bo3bo$71bo3b2o$70bo6bob 3o$71b2o3bo3b2o$72b4o2bo2bo$74b2o3bo$73bo$73b2obo$72bo$71b5o$71bo4bo$ 70b3ob3o$70bob5o$70bo$72bo$68bo4b4o$72b4ob2o$69b3o4bo$76bobo$80bo$76bo 2b2o$77b3o$74b2o$73b3o5bo$76b2o2bobo$73bo2b3obobo$74b2obo2bo$76bobo2b 2o$78b2o$74b3o4bo$74b3o4bo$75b2o3b3o$76b2ob2o$77b2o$77bo2$76b2o$78bo 108$149b2o$148b2o$150b2obo$148bo3b3ob2o$147b6ob2o2bo$146b2ob2o4bo$146b o4bo6bobo$146b5o4b3o2bo$146b3obo4b2o$151b2o2bobo$147bo3b2o3b2o$152bo3b o2bobo$155b3o2b3o$155b2obo$157bob3ob2o$155bo2bo$154b2obo2bobo$154b2o2b 3o$155bo2bo2bobo$155b2obob2o2b2o$157bob3o$163b3o$164b2o2$156b2o6bo2bo$ 156b2obo4b4o$157b2o3b5o$157bo3b2o$157b2o4bo$157bo4b2o$155b5o2bo2bo$ 158bo5b2o$157b2o6bob3o$158bo4b2o3b2o$161b4o$164b3o$165bo4bo$165b7o$ 168bob2o$164b3o3b2o$167bo5bo$164b2ob3o2bo$163b2o3b2ob2o$163bobo2bobobo bo$164b2ob5o3bo$164b2o3bo2bobo$165bo2bo$166bo$165b3o$164bo$164bob3o$ 169bo$163bo6bo$162b2obo3bo$165bob2o$166b3o$169b2o$162b4o4bo$163b5obobo $163bo6bo$170bo2bo$170bo2bo$168b6o$166bob2obo$166bo7bo$166bo4b3obo$ 167bo3bobo$167b2o4bobo$168b2obob2o$169bob5o$167bob2o2bo$170bo$167bo4bo 2bo$168bo3b2o$172bo$170b2o$169b2o$170bo$170bo! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ]]
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Notes

  1. The name is in reference to Sir Robin, the knight who "bravely ran away", from Monty Python's movie Monty Python and the Holy Grail.

References

  1. Adam P. Goucher. Elementary knightship (discussion thread) at the ConwayLife.com forums
  2. Adam P. Goucher. Re: Elementary knightship (discussion thread) at the ConwayLife.com forums
  3. Martin Grant. Re: Elementary knightship (discussion thread) at the ConwayLife.com forums

External links