cp's OEIS Frontend

A340348 Add the two terms of the first pair of integers to produce b(1); add the two terms of the second pair of integers to produce b(2); add the two terms of the third pair of integers to produce b(3), etc. This sequence and the b(n) sequence share the same succession of digits.

%I A340348 #15 Jan 25 2021 02:32:11
%S A340348 1,109,2,7,3,24,4,28,5,39,6,22,8,45,9,87,10,12,11,73,13,46,14,8696,15,
%T A340348 106,16,157,17,117,18,43,19,29,20,49,21,40,23,487,25,36,26,35,27,30,
%U A340348 31,140,32,139,33,51,34,285,37,2883,38,454,41,99,42,192,44,828,47,489,48,215,50,477,52,251,53,1087,54,267
%N A340348 Add the two terms of the first pair of integers to produce b(1); add the two terms of the second pair of integers to produce b(2); add the two terms of the third pair of integers to produce b(3), etc. This sequence and the b(n) sequence share the same succession of digits.
%C A340348 This is the lexicographically earliest sequence of distinct integers > 0 with this property. The sequence is conjectured to be a permutation of the integers > 0.
%H A340348 Carole Dubois, <a href="/A340348/b340348.txt">Table of n, a(n) for n = 1..10000</a>
%e A340348 1 + 109 = 110
%e A340348 2 + 7 = 9
%e A340348 3 + 24 = 27
%e A340348 4 + 28 = 32
%e A340348 5 + 39 = 44
%e A340348 6 + 22 = 28
%e A340348 8 + 45 = 53; etc.
%e A340348 The 3rd column and the starting sequence share the same succession of digits.
%Y A340348 Cf. A302656.
%K A340348 nonn,look,base
%O A340348 1,2
%A A340348 _Eric Angelini_ and _Carole Dubois_, Jan 05 2021