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A108737
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Start with S = {}. For m = 0, 1, 2, 3, ... let u be the binary expansion of m. If u is not a substring of S, append the minimal number of 0's and 1's to S to remedy this. Sequence gives S.
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4
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0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| We construct S as follows, starting with S = {}.
0 is missing, so S = {0};
1 is missing, so S = {0,1};
10 is missing, so S = {0,1,0};
11 is missing, so S = {0,1,0,1,1};
100 is missing, so S = {0,1,0,1,1,0,0};
101 and 110 are visible, but 111 is missing, so S = {0,1,0,1,1,0,0,1,1,1}; etc.
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CROSSREFS
| Cf. A108736.
Sequence in context: A090171 A118006 A165263 * A165221 A093879 A117872
Adjacent sequences: A108734 A108735 A108736 * A108738 A108739 A108740
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jun 23 2005
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EXTENSIONS
| More terms from John W. Layman (layman(AT)math.vt.edu), Jun 24 2005
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