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A191255 Fixed point of the morphism 0->01, 1->02, 2->03, 3->01. 6
0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 1, 0, 1, 0, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

See A191250.

LINKS

Table of n, a(n) for n=1..132.

MATHEMATICA

t = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 2}, 2 -> {0, 3}, 3 -> {0, 1}}] &, {0}, 9] (* A191255 *)

Flatten[Position[t, 0]] (* A005408, the odds *)

a = Flatten[Position[t, 1]] (* A067368 conjectured *)

b = Flatten[Position[t, 2]] (* A191256 *)

a/2  (* A191257 *)

b/4  (* a/2 ? *)

CROSSREFS

Cf. A191250, A191256, A191257.

Sequence in context: A276424 A191258 A254990 * A007814 A265330 A272216

Adjacent sequences:  A191252 A191253 A191254 * A191256 A191257 A191258

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 28 2011

STATUS

approved

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Last modified February 25 14:46 EST 2018. Contains 299654 sequences. (Running on oeis4.)