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A339206
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Lexicographically earliest sequence of distinct positive terms such that a(n) is followed by the a(n)-th digit of the sequence.
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2
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1, 10, 2, 11, 4, 20, 24, 5, 12, 50, 6, 14, 21, 15, 51, 7, 40, 8, 22, 13, 17, 60, 29, 80, 18, 19, 42, 106, 70, 23, 53, 25, 120, 26, 71, 27, 47, 220, 30, 200, 32, 100, 31, 201, 33, 34, 101, 35, 73, 333, 36, 64, 75, 202, 38, 203, 39, 902, 43, 83, 300, 44, 102, 301, 45, 90, 302, 46, 48, 103, 62, 204, 54, 303, 55
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(1) = 1 is followed by the 1st digit of the sequence (indeed, this is the 1 of 1);
a(2) = 10 is followed by the 10th digit of the sequence (this is the 2 of 24);
a(3) = 2 is followed by the 2nd digit of the sequence (this is the 1 of 10);
a(4) = 11 is followed by the 11th digit of the sequence (this is the 4 of 24);
a(5) = 4 is followed by the 4th digit of the sequence (this is the 2 of 2); etc.
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CROSSREFS
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Cf. A339317 (a variant of this sequence).
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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