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A285413
Positions of 1 in A285411; complement of A285412.
3
2, 5, 7, 8, 10, 12, 13, 15, 18, 21, 24, 26, 27, 29, 31, 32, 34, 37, 39, 40, 42, 44, 45, 46, 47, 49, 51, 52, 54, 57, 59, 60, 62, 64, 65, 67, 70, 72, 73, 75, 77, 78, 79, 80, 82, 84, 85, 87, 90, 92, 93, 95, 97, 98, 100, 103, 106, 109, 111, 112, 114, 116, 117
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> (61-sqrt(3))/26 = 2.279...
LINKS
EXAMPLE
As a word, A285411 = 010010..., in which 1 is in positions 2,5,7,8,10,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1, 0}}] &, {0}, 10] (* A285411 *)
Flatten[Position[s, 0]] (* A285412 *)
Flatten[Position[s, 1]] (* A285413 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 27 2017
STATUS
approved