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3, 6, 9, 12, 13, 14, 15, 16, 19, 22, 25, 28, 31, 32, 33, 34, 35, 38, 41, 44, 47, 50, 51, 52, 53, 54, 57, 60, 63, 66, 69, 70, 71, 72, 73, 76, 77, 78, 79, 80, 83, 84, 85, 86, 87, 90, 91, 92, 93, 94, 97, 98, 99, 100, 101, 104, 107, 110, 113, 116, 117, 118, 119
(list;
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internal format)
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OFFSET
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1,1
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COMMENTS
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Conjecture: a(n)/n -> (82 + sqrt(3))/47 = 1.781...
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LINKS
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Clark Kimberling, Table of n, a(n) for n = 1..10000
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EXAMPLE
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As a word, A285177 = 001001..., in which 0 is in positions 3,6,9,12,13,...
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MATHEMATICA
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s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 0, 1}}] &, {0}, 10] (* A285117 *)
Flatten[Position[s, 0]] (* A285401 *)
Flatten[Position[s, 1]] (* A285402 *)
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CROSSREFS
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Cf. A285177, A285401, A285403.
Sequence in context: A066662 A329517 A297567 * A153403 A257220 A092452
Adjacent sequences: A285399 A285400 A285401 * A285403 A285404 A285405
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KEYWORD
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nonn,easy
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AUTHOR
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Clark Kimberling, Apr 26 2017
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STATUS
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approved
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