|
|
|
|
2, 3, 6, 9, 12, 14, 16, 17, 20, 23, 25, 27, 28, 31, 34, 36, 38, 39, 42, 44, 45, 48, 50, 51, 54, 57, 60, 62, 64, 65, 68, 71, 73, 75, 76, 79, 81, 82, 85, 87, 88, 91, 94, 97, 99, 101, 102, 105, 108, 110, 112, 113, 116, 118, 119, 122, 124, 125, 128, 131, 134
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Conjecture: a(n)/n->2.19..., and if m denotes this number, then -1 < m - 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" -> "0110", "1" -> "01"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A288752 *)
Flatten[Position[st, 0]] (* A288753 *)
Flatten[Position[st, 1]] (* A288754 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|