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A377961 Lexicographically earliest sequence of distinct positive integers such that the successive digits of the odd and even bisections are pairwise distinct.

%I A377961 #7 Nov 14 2024 08:19:54
%S A377961 1,2,3,4,5,6,7,8,9,10,11,20,12,13,14,15,16,17,18,19,21,22,30,23,24,25,
%T A377961 26,27,28,29,31,32,33,40,34,35,36,37,38,39,41,42,43,44,50,45,46,47,48,
%U A377961 49,51,52,53,54,55,60,56,57,58,59,61,62,63,64,65,66,70,67,68,69,71,72,73,74,75,76,77,80,78,79,81,82,83,84,85,86,87,88,90,89,100,91,92,101
%N A377961 Lexicographically earliest sequence of distinct positive integers such that the successive digits of the odd and even bisections are pairwise distinct.
%H A377961 Rémy Sigrist, <a href="/A377961/b377961.txt">Table of n, a(n) for n = 1..9994</a>
%H A377961 Rémy Sigrist, <a href="/A377961/a377961.gp.txt">PARI program</a>
%e A377961 The first terms of the odd and even bisections are:
%e A377961     odd  |1|3|5|7|9|1 1|1 2|1 4|1 6|1 8|2 1|3 0|2 4|2 6|2 8|3 1|...
%e A377961     even |2|4|6|8|1 0|2 0|1 3|1 5|1 7|1 9|2 2|2 3|2 5|2 7|2 9|3 2|...
%o A377961 (PARI) \\ See Links section.
%Y A377961 Cf. A329127.
%K A377961 nonn,base
%O A377961 1,2
%A A377961 _Rémy Sigrist_, Nov 12 2024