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A239088 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

%I

%S 1,2,3,4,5,6,7,8,9,11,10,12,13,14,15,16,17,18,19,22,20,21,23,24,25,26,

%T 27,28,29,33,30,31,32,34,35,36,37,38,39,44,40,41,42,43,45,46,47,38,49,

%U 55,50,51,52,53,54,56,57,58,59,66,60,61,62,63,64,65,67,68,69,77,70

%N 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.

%C Computed by Lars Blomberg.

%D Eric Angelini, Posting to Sequence Fans Mailing List, Sep 28 2013

%H Eric Angelini, <a href="http://www.cetteadressecomportecinquantesignes.com/LittleEqualGreat.htm">Less than <, Equal to =, Greater than ></a> (see sequence Sm)

%H Eric Angelini, <a href="/A239083/a239083.pdf">Less than <, Equal to =, Greater than ></a> [Cached copy, with permission of the author]

%Y The sequences in this family are given in A239083-A239086, A239136-A239139, A239087-A239090, A239215-A239218, A239235.

%K nonn,base

%O 1,2

%A _N. J. A. Sloane_, Mar 11 2014

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Last modified October 21 20:44 EDT 2019. Contains 328315 sequences. (Running on oeis4.)