|
|
|
|
1, 4, 5, 7, 9, 12, 13, 15, 17, 20, 21, 23, 25, 27, 30, 31, 33, 36, 37, 39, 41, 44, 45, 47, 49, 52, 53, 55, 58, 59, 61, 63, 65, 68, 69, 71, 73, 76, 77, 79, 81, 84, 85, 87, 89, 91, 94, 95, 97, 100, 101, 103, 105, 107, 110, 111, 113, 115, 118, 119, 121, 123
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Conjecture: 2n - a(n) is in {0,1} for n >= 1.
Also, the positions of 0 in the {100->0}-transform of A010060.
|
|
LINKS
|
|
|
EXAMPLE
|
As a word, A286049 = 0110010101100101..., in which 0 is in positions 1,4,5,7,9,...
|
|
MATHEMATICA
|
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0}}] &, {0}, 9] (* Thue-Morse, A010060 *)
w = StringJoin[Map[ToString, s]]
w1 = StringReplace[w, {"110" -> "1"}]
st = ToCharacterCode[w1] - 48 (* A286049 *)
Flatten[Position[st, 0]] (* A286050 *)
Flatten[Position[st, 1]] (* A286051 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|