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A316831
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Trajectory of 0 under repeated application of the morphism 0 -> 01, 1 -> 21, 2 -> 13, 3 -> 33.
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3
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0, 1, 2, 1, 1, 3, 2, 1, 2, 1, 3, 3, 1, 3, 2, 1, 1, 3, 2, 1, 3, 3, 3, 3, 2, 1, 3, 3, 1, 3, 2, 1, 2, 1, 3, 3, 1, 3, 2, 1, 3, 3, 3, 3, 3, 3, 3, 3, 1, 3, 2, 1, 3, 3, 3, 3, 2, 1, 3, 3, 1, 3, 2, 1, 1, 3, 2, 1, 3, 3, 3, 3, 2, 1, 3, 3, 1, 3
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OFFSET
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0,3
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LINKS
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MAPLE
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f(0):= (0, 1):
f(1):= (2, 1):
f(2):= (1, 3):
f(3):= (3, 3):
A:= [0]:
for i from 1 to 8 do A:= map(f, A) od:
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MATHEMATICA
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Nest[ Flatten[# /. {0 -> {0, 1}, 1 -> {2, 1}, 2 -> {1, 3}, 3 -> {3, 3}}] &, {0}, 7] (* Robert G. Wilson v, Jul 18 2018 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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