%I #9 Feb 12 2021 21:37:34
%S 1,2,3,4,5,6,7,14,15,21,22,23,28,29,30,31,35,36,37,38,39,42,43,44,45,
%T 46,47,63,64,70,71,72,77,78,79,80,84,85,86,87,88,91,92,93,94,95,96,
%U 119,120,121,126,127,128,129,133,134,135,136,137
%N Numbers whose base-7 representation Sum_{i=0..m} d(i)*7^i has d(0) < d(1) > d(2) < ...
%K nonn,base
%O 1,2
%A _Clark Kimberling_
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