[go: up one dir, main page]

login
A284929
Fixed point of the morphism 0 -> 01, 1 -> 1011.
4
0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0
OFFSET
1
EXAMPLE
0 -> 01 -> 011011 -> 01101110110110111011 -> ...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0, 1, 1}}] &, {0}, 6] (* A284929 *)
Flatten[Position[s, 0]] (* A284930 *)
Flatten[Position[s, 1]] (* A284931 *)
CROSSREFS
Sequence in context: A341642 A123506 A051105 * A286746 A155897 A368915
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 17 2017
STATUS
approved