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%I #8 Oct 31 2013 20:36:46
%S 1,2,3,4,5,8,9,14,16,18,33,48,52,96,97,184,185,368,369,384,385,472,473
%N Langton's ant, symmetrical pattern
%C The sequence shows the number of steps that Langton's ant needs to create symmetrical patterns.
%H Clemens Hovekamp, <a href="http://hovekamp.info/clemens/langton-ameise/symmetrien-langton-ameise.pdf">Langton Ameise, symmetrische Muster</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Langton%27s_ant">Langton's ant</a>
%K nonn,full,fini
%O 1,2
%A _Clemens Hovekamp_, Jan 19 2012