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%I #10 Jun 09 2016 10:36:41
%S 1,2,10,3,11,4,12,13,14,15,16,5,6,17,18,7,8,19,20,9,21,30,31,32,22,23,
%T 24,25,26,27,28,29,33,34,35,36,37,38,39,40,41,42,43,50,51,52,53,54,44,
%U 45,46,47,48,49,55,56,57,58,59,60,61,62,63,64,65,70,71,72,73,74,75,76,66
%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 Sb)
%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 10 2014
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