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A320929
Positions of 1 in A320927.
3
4, 7, 10, 12, 16, 19, 21, 25, 28, 30, 34, 36, 40, 43, 46, 48, 52, 55, 57, 61, 63, 67, 70, 73, 75, 79, 82, 84, 88, 90, 94, 97, 100, 102, 106, 108, 112, 115, 118, 120, 124, 127, 129, 133, 136, 138, 142, 144, 148, 151, 154, 156, 160, 163, 165, 169, 171, 175
OFFSET
1,1
LINKS
MATHEMATICA
s[n_] := Nest[Flatten[# /. {0 -> {0, 0, 1}, 1 -> {0, 1, 0}}] &, {0}, n]; (* A189628 *)
t = Table[s[n], {n, 0, 8}]; Take[t, 5] (* successive segments of morphism s *)
u = Flatten[t]; Take[u, 200] (* A320927 *)
v = Flatten[Position[u, 0]]; Take[v, 200] (* A320928 *)
w = Flatten[Position[u, 1]]; Take[w, 200] (* A320929 *)
CROSSREFS
Sequence in context: A186226 A080734 A310676 * A104280 A083032 A284933
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Oct 24 2018
STATUS
approved