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%I #8 Jun 26 2021 20:32:25
%S 4,5,7,11,12,13,17,19,20,21,22,29,30,32,33,34,35,36,40,46,47,50,51,52,
%T 53,55,56,58,61,62,63,67,70,74,77,78,79,83,84,86,88,89,90,93,95,96,98,
%U 99,102,103,106,107,108,113,118,119,120,121,127,128,131,133
%N Numbers k such that the k-th word in A342910 has first digit != digit.
%C The sequences A344156 and A344157 partition the positive integers. See A342910 for a guide to related sequences.
%e The first twenty words w(n): 0, 1, 00, 01, 10, 000, 001, 11, 010, 0000, 100, 0001, 011, 101, 0010, 00000, 110, 0100, 00001, 1000; so a(1) = 4, a(4) = 11.
%t (See A342910.)
%Y Cf. A342910, A344156.
%K nonn,base
%O 1,1
%A _Clark Kimberling_, May 31 2021
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