Weekender
Weekender  
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Pattern type  Spaceship  

Number of cells  36  
Bounding box  18×12  
Direction  Orthogonal  
Period  7  
Mod  7  
Speed  2c/7  
Heat  45.1  
Discovered by  David Eppstein  
Year of discovery  2000  
 
 

Weekender is a 2c/7 orthogonal spaceship that was found by David Eppstein on January 12, 2000.^{[1]} On April 27, 2000, Stephen Silver found a tagalong for a pair of weekenders (shown below). At present, n weekenders pulling n1 tagalongs constitute the only known spaceships with speed 2c/7, besides selfsustaining loops of weekender conduits. These were the only known period7 spaceships until the discovery of Lobster in 2011, loafer in 2013 and spaghetti monster in 2016.
Despite the relative simplicity of its components, a glider synthesis for the weekender had been elusive since its discovery. A weekender synthesis was completed on January 25, 2015, 15 years after its discovery (and coincidentally, on a weekend).^{[2]}
On September 26, 2015 Chris Cain announced a p444 weekender gun based on a 79glider synthesis, as well as a p451/p457+ glidertoweekender converter.^{[3]}
Image gallery
See also
References
 ↑ Jason Summers' jslife pattern collection.
 ↑ Martin Grant (January 25, 2015). "Re: Small Spaceship Syntheses". Retrieved on January 25, 2015.
 ↑ Chris Cain (September 26, 2015). "Re: Small Spaceship Syntheses". Retrieved on October 7, 2015.
External links
 Searching for Spaceships  Eppstein's paper describing the discovery of the weekender
 Weekender at the Life Lexicon
 The Weekender (glider 14105) at David Eppstein's Glider Database
 Patterns
 Patterns with 36 cells
 Patterns found by David Eppstein
 Patterns found in 2000
 Patterns that can be constructed with 79 gliders
 Spaceships
 Spaceships with period 7
 Orthogonal spaceships
 Spaceships with speed 2c/7
 Spaceships with heat 45
 Spaceships with mod 7
 Nonmonotonic spaceships
 Patterns with bilateral orthogonal symmetry