login
A285429
Positions of 1 in A285427; complement of A285428.
3
1, 4, 5, 6, 7, 8, 11, 14, 17, 20, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 44, 45, 46, 47, 48, 51, 52, 53, 54, 55, 58, 61, 64, 67, 70, 71, 72, 73, 74, 77, 80, 83, 86, 89, 90, 91, 92, 93, 96, 99, 102, 105, 108, 109, 110, 111, 112, 115, 118
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> (82 + sqrt(3))/47.
LINKS
EXAMPLE
As a word, A285427 = 100111110..., in which 1 is in positions 1,4,5,6,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 0, 0}}] &, {0}, 10] (* A285427 *)
Flatten[Position[s, 0]] (* A285428 *)
Flatten[Position[s, 1]] (* A285429 *)
CROSSREFS
Sequence in context: A039040 A129740 A161428 * A073073 A213525 A047567
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 28 2017
STATUS
approved