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Numbers whose base-7 representation Sum_{i=0..m} d(i)*7^i has d(m) <= d(m-1) >= d(m-2) <= ...
1

%I #9 Feb 12 2021 21:05:40

%S 1,2,3,4,5,6,8,9,10,11,12,13,16,17,18,19,20,24,25,26,27,32,33,34,40,

%T 41,48,56,57,63,64,65,70,71,72,73,77,78,79,80,81,84,85,86,87,88,89,91,

%U 92,93,94,95,96,97,112,113,114,119,120,121,122

%N Numbers whose base-7 representation Sum_{i=0..m} d(i)*7^i has d(m) <= d(m-1) >= d(m-2) <= ...

%K nonn,base

%O 1,2

%A _Clark Kimberling_