|
|
|
|
1, 3, 5, 6, 8, 10, 11, 13, 15, 17, 19, 20, 22, 24, 25, 27, 29, 31, 33, 34, 36, 38, 39, 41, 43, 44, 46, 48, 49, 51, 53, 55, 57, 58, 60, 62, 63, 65, 67, 69, 71, 72, 74, 76, 77, 79, 81, 82, 84, 86, 87, 89, 91, 93, 95, 96, 98, 100, 101, 103, 105, 107, 109, 110
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Conjecture: -1 < n*sqrt(3) - a(n) < 2 for n >= 1.
|
|
LINKS
|
|
|
EXAMPLE
|
The first 10 letters of the word in A282963 are 1010110101, in which the positions of 1 are 1,3,5,6,8.
|
|
MATHEMATICA
|
s = Nest[Flatten[# /. {0 -> {1}, 1 -> {1, 0, 1, 0}}] &, {0}, 10] (* A283963 *)
Flatten[Position[s, 0]] (* A283964 *)
Flatten[Position[s, 1]] (* A283965 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|