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A285428
Positions of 0 in A285427; complement of A285429.
3
2, 3, 9, 10, 12, 13, 15, 16, 18, 19, 21, 22, 28, 29, 35, 36, 42, 43, 49, 50, 56, 57, 59, 60, 62, 63, 65, 66, 68, 69, 75, 76, 78, 79, 81, 82, 84, 85, 87, 88, 94, 95, 97, 98, 100, 101, 103, 104, 106, 107, 113, 114, 116, 117, 119, 120, 122, 123, 125, 126, 132
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> (61 - sqrt(3))/26.
LINKS
EXAMPLE
As a word, A285427 = 100111110..., in which 0 is in positions 2,3,9,10,...
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: A047475 A376200 A291610 * A039012 A291924 A357353
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 28 2017
STATUS
approved