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A317958
Apply the morphism X -> XYX, where Y=1 if X contains an odd number of 1's, otherwise Y = 2 n times to 12, and concatenate the resulting string.
2
12, 12212, 12212112212, 12212112212112212112212, 12212112212112212112212212212112212112212112212, 12212112212112212112212212212112212112212112212112212112212112212112212212212112212112212112212
OFFSET
0,1
REFERENCES
Karamanos, Kostas. "From symbolic dynamics to a digital approach." International Journal of Bifurcation and Chaos 11.06 (2001): 1683-1694. (Full version. See p. 1685)
Karamanos, K. (2000). From symbolic dynamics to a digital approach: chaos and transcendence. In Michel Planat (Ed.), Noise, Oscillators and Algebraic Randomness (Lecture Notes in Physics, pp. 357-371). Springer, Berlin, Heidelberg. (Short version. See p. 359)
CROSSREFS
The limit of the terms is A317960.
A317959 is the same sequence over the alphabet {1,0}.
Sequence in context: A159411 A074983 A159413 * A012608 A012735 A012674
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 22 2018
STATUS
approved