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 A239138 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. 0
 1, 2, 3, 4, 5, 6, 7, 8, 9, 99, 999, 9999, 99999, 999999, 9999999, 99999999, 999999999, 9999999999, 99999999999, 999999999999, 9999999999999, 99999999999999, 999999999999999, 9999999999999999, 99999999999999999, 999999999999999999, 9999999999999999999 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Computed by Lars Blomberg. REFERENCES Eric Angelini, Posting to Sequence Fans Mailing List, Sep 28 2013 LINKS Eric Angelini, Less than <, Equal to =, Greater than > (see sequence Sh) Eric Angelini, Less than <, Equal to =, Greater than > [Cached copy, with permission of the author] CROSSREFS The sequences in this family are given in A239083-A239086, A239136-A239139, A239087-A239090, A239215-A239218, A239235. Sequence in context: A342978 A281091 A271569 * A298425 A001633 A171120 Adjacent sequences:  A239135 A239136 A239137 * A239139 A239140 A239141 KEYWORD nonn,base AUTHOR Michel Marcus, Mar 11 2014 STATUS approved

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Last modified June 13 00:57 EDT 2021. Contains 344980 sequences. (Running on oeis4.)