OFFSET
0,3
COMMENTS
On a white dodecagon, turn 30 degrees right, flip the color of the tile, then move forward one unit.
On a black dodecagon, turn 30 degrees left, flip the color of the tile, then move forward one unit.
On a white triangle, turn 60 degrees right, flip the color of the tile, then move forward one unit.
On a black triangle, turn 60 degrees left, flip the color of the tile, then move forward one unit.
LINKS
Sean A. Irvine, Table of n, a(n) for n = 0..10000
Lars Blomberg, The state for n=2200, when 342 cells are set
Lars Blomberg, Animation illustrating n=1-2200
Felix Fröhlich, Illustration of iterations 0-50 of the ant, 2019.
Sean A. Irvine, Java program (github)
Wikipedia, Langton's ant
Wikipedia, Truncated hexagonal tiling
FORMULA
a(n+15) = a(n) + 9 for n > 2034. - Lars Blomberg, Aug 13 2019
EXAMPLE
See illustrations in Fröhlich, 2019.
CROSSREFS
KEYWORD
nonn
AUTHOR
Felix Fröhlich, Jul 15 2019
EXTENSIONS
More terms from Sean A. Irvine, Jul 22 2019
STATUS
approved