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A239218 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. 18

%I #12 Jul 31 2022 07:44:08

%S 1,2,3,4,5,6,7,8,9,10,11,101,20,12,13,14,15,16,17,18,19,21,22,102,30,

%T 23,24,25,26,27,28,29,31,32,33,103,40,34,35,36,37,38,39,41,42,43,44,

%U 104,50,45,46,47,48,49,51,52,53,54,55,105,60,56,57,58,59,61

%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 Su)

%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 _Michel Marcus_, Mar 12 2014

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)