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A285535
Positions of 1 in A285533; complement of A285534.
3
1, 2, 4, 7, 8, 9, 10, 11, 12, 14, 17, 18, 19, 20, 22, 26, 29, 30, 32, 35, 36, 37, 38, 40, 44, 48, 52, 55, 56, 58, 61, 62, 63, 64, 65, 66, 68, 71, 72, 73, 74, 75, 76, 78, 81, 82, 83, 84, 85, 86, 88, 91, 92, 93, 94, 95, 96, 98, 101, 102, 103, 104, 105, 106
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> 2.
LINKS
EXAMPLE
As a word, A285533 = 110100111..., in which 0 is in positions 1,2,4,7,8,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1, 0, 0}}] &, {0}, 9] (* A285533 *)
Flatten[Position[s, 0]] (* A285534 *)
Flatten[Position[s, 1]] (* A285535 *)
Position[SubstitutionSystem[{0->{1, 1}, 1->{0, 1, 0, 0}}, {0}, {5}][[1]], 1]//Flatten (* Harvey P. Dale, Aug 10 2024 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 30 2017
STATUS
approved