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A341692
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Lexicographically earliest sequence of distinct terms > 0 such that the n-th digit of the sequence is shared by a(n) and a(n+1).
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2
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1, 10, 100, 101, 102, 20, 103, 104, 105, 11, 106, 120, 2, 200, 107, 108, 30, 13, 109, 40, 14, 110, 50, 15, 12, 16, 130, 60, 61, 21, 201, 202, 22, 203, 70, 140, 150, 170, 17, 160, 80, 38, 230, 180, 31, 113, 190, 90, 49, 204, 210, 41, 114, 18, 301, 205, 250, 310
(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(2) = 10 since 10 is the smallest positive number not yet in the sequence that shares the 2nd digit of the sequence (i.e., 1) with a(3) = 100;
a(6) = 20 since 20 is the smallest positive number not yet in the sequence that shares the 6th digit of the sequence (i.e., 0) with a(7) = 103. Etc.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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