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A289027
Positions of 1 in A289025; complement of A289026.
3
3, 7, 10, 14, 16, 20, 23, 26, 30, 33, 37, 41, 43, 47, 50, 54, 58, 61, 65, 68, 72, 75, 78, 82, 84, 88, 91, 95, 98, 102, 106, 109, 113, 115, 119, 122, 126, 130, 132, 136, 139, 142, 146, 149, 153, 157, 160, 164, 166, 170, 173, 177, 180, 184, 188, 191, 195, 198
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> 2 + sqrt(2), and -1 < 2 + sqrt(2) - a(n)/n < -1 + sqrt(2) for n >= 1.
LINKS
MATHEMATICA
z = 11; (* number of iterates *)
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0010", "01" -> "010", "10" -> "001"}]
TableForm[Table[w[n], {n, 0, 10}]]
st = ToCharacterCode[w[z]] - 48 (* A289025 *)
Flatten[Position[st, 0]] (* A289026 *)
Flatten[Position[st, 1]] (* A289027 *)
CROSSREFS
Sequence in context: A289167 A374639 A289114 * A027704 A061289 A288999
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 27 2017
STATUS
approved