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1, 2, 4, 5, 6, 8, 9, 11, 12, 14, 15, 16, 18, 19, 20, 22, 23, 25, 26, 28, 29, 30, 32, 33, 35, 36, 38, 39, 40, 42, 43, 45, 46, 48, 49, 50, 52, 53, 54, 56, 57, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 73, 74, 76, 77, 78, 80, 81, 83, 84, 86, 87, 88, 90, 91, 93
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OFFSET
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1,2
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COMMENTS
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Conjecture: 0 < n*sqrt(2) - a(n) < 2 for n>=1.
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LINKS
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EXAMPLE
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As a word, A285358 = 1101110..., in which 1 is in positions 1,2,4,5,6,8,...
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MATHEMATICA
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s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {1, 1, 0, 1}}] &, {0}, 10] (* A285358 *)
Flatten[Position[s, 0]] (* A285359 *)
Flatten[Position[s, 1]] (* A285360 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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