A191262 -id:A191262 - cp's OEIS frontend

A191261 Fixed point of the morphism 0 -> 01, 1 -> 002, 2 -> 01.

0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 1, 0, 0, 2

Offset: 1

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Clark Kimberling, May 28 2011

nonn
easy

See A191250.

Cf. A191250, A191262, A191263, A191264.

t = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 0, 2}, 2 -> {0, 1}}] &, {0}, 8]  (* A191261 *)
Flatten[Position[t, 0]] (* A191262 *)
Flatten[Position[t, 1]] (* A191263 *)
Flatten[Position[t, 2]] (* A191264 *)

cp's OEIS Frontend

A191261 Fixed point of the morphism 0 -> 01, 1 -> 002, 2 -> 01.

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