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A204810
Langton's ant, symmetrical pattern.
5
1, 2, 3, 4, 5, 8, 9, 14, 16, 18, 33, 48, 52, 96, 97, 184, 185, 368, 369, 384, 385, 472, 473
OFFSET
1,2
COMMENTS
The sequence shows the number of steps that Langton's ant needs to create symmetrical patterns.
CROSSREFS
Sequence in context: A054181 A329563 A163077 * A374277 A240080 A194714
KEYWORD
nonn,full,fini
AUTHOR
Clemens Hovekamp, Jan 19 2012
STATUS
approved