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A288480
Positions of 1 in A288478; complement of A288479.
3
2, 3, 5, 6, 9, 10, 12, 13, 16, 18, 19, 20, 22, 23, 26, 27, 29, 30, 33, 35, 36, 37, 40, 41, 43, 44, 46, 47, 50, 51, 53, 54, 57, 59, 60, 61, 63, 64, 67, 68, 70, 71, 74, 76, 77, 78, 81, 82, 84, 85, 87, 88, 91, 93, 94, 95, 97, 98, 101, 102, 104, 105, 108, 109
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n - > 1 + sqrt(1/2), and -1 < 1 + sqrt(1/2) - a(n)/n) < 1 for n >= 1.
LINKS
MATHEMATICA
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0101", "1" -> "110"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A288478 *)
Flatten[Position[st, 0]] (* A288479 *)
Flatten[Position[st, 1]] (* A288480 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 12 2017
STATUS
approved