Spacefiller 1

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Spacefiller 1
x = 29, y = 43, rule = B3/S23 5bobo$4bo2bo$3b2o$2bo$b4o$o4bo$o2bo$o2bo$bo9b3o3b3o$2b4obo2bo2bo3bo2bo $3bo3bo5bo3bo$4bo8bo3bo$4bobo6bo3bo2$3b3o5b3o3b3o$3b2o7bo5bo$3b3o6b7o$ 11bo7bo$4bobo3b11o$3bo2bo2bo12b2o$3bo5b12o3bo$3bo3bo13bo3bo$4bo3b12o5b o$5b2o12bo2bo2bo$8b11o3bobo$9bo7bo$10b7o6b3o$10bo5bo7b2o$9b3o3b3o5b3o 2$11bo3bo6bobo$11bo3bo8bo$11bo3bo5bo3bo$8bo2bo3bo2bo2bob4o$9b3o3b3o9bo $25bo2bo$25bo2bo$23bo4bo$24b4o$26bo$24b2o$21bo2bo$21bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
Pattern type Spacefiller
Number of cells 206
Bounding box 29×43
Discovered by David Bell
Year of discovery 1993

Spacefiller 1 is a spacefiller that was found by David Bell in September 1993. It was at one time the smallest known spacefiller, but it has since been surpassed by Max.

Its population in generation t is [(t+19)2+463]/4 if t = 0 (mod 4), [(t+19)2+487]/4 if t = 2 (mod 4), and [(t+18)2+639]/4 if t is odd. The top and bottom stretchers were created by Hartmut Holzwart, size optimization and the left and right stretchers were created by David Bell, and the original idea, middle part, and left/right stretcher connection were created by Alan Hensel.[1]

Image gallery

Spacefiller 1 at generation 50

See also