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A239136
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The sequence S = a(1), a(2), ... is defined by a(1)=1, if d,e,f are consecutive digits then we do not have d <= e < f, and S is always extended with the smallest integer not yet present in S.
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18
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1, 2, 10, 3, 11, 101, 102, 12, 13, 14, 4, 15, 5, 16, 6, 17, 7, 18, 8, 19, 9, 20, 21, 22, 103, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 104, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 105, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 106, 56, 57, 58, 59, 60
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history;
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OFFSET
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1,2
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COMMENTS
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Computed by Lars Blomberg.
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REFERENCES
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Eric Angelini, Posting to Sequence Fans Mailing List, Sep 28 2013
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LINKS
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Table of n, a(n) for n=1..66.
Eric Angelini, Less than <, Equal to =, Greater than > (see sequence Sf)
Eric Angelini, Less than <, Equal to =, Greater than > [Cached copy, with permission of the author]
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CROSSREFS
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The sequences in this family are given in A239083-A239086, A239136-A239139, A239087-A239090, A239215-A239218, A239235.
Sequence in context: A239084 A322000 A061196 * A239137 A252758 A249917
Adjacent sequences: A239133 A239134 A239135 * A239137 A239138 A239139
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KEYWORD
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nonn,base
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AUTHOR
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Michel Marcus, Mar 11 2014
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STATUS
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approved
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