A320929 Positions of 1 in A320927.

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

Clark Kimberling, Table of n, a(n) for n = 1..1000

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

Cf. A320927, A320928.

Sequence in context: A186226 A080734 A310676 * A104280 A083032 A284933

Adjacent sequences: A320926 A320927 A320928 * A320930 A320931 A320932

Keyword

nonn,easy

Author

Clark Kimberling, Oct 24 2018

Status

approved