%I
%S 1,2,3,4,5,6,7,8,9,12,13,14,15,16,17,18,19,23,24,25,26,27,28,29,34,35,
%T 36,37,38,39,45,46,47,48,49,56,57,58,59,67,68,69,78,79,89,90,10,11,20,
%U 21,22,30,31,32,33,40,41,42,43,44,50
%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 Sn)
%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 A239083A239086, A239136A239139, A239087A239090, A239215A239218, A239235.
%K nonn,base
%O 1,2
%A _N. J. A. Sloane_, Mar 11 2014
