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Numbers whose base-13 representation Sum_{i=0..m} d(i)*13^(m-i) has even d(i) for all odd i.
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%I #12 Feb 12 2021 22:37:51

%S 1,2,3,4,5,6,7,8,9,10,11,12,13,15,17,19,21,23,25,26,28,30,32,34,36,38,

%T 39,41,43,45,47,49,51,52,54,56,58,60,62,64,65,67,69,71,73,75,77,78,80,

%U 82,84,86,88,90,91,93,95,97,99,101,103,104

%N Numbers whose base-13 representation Sum_{i=0..m} d(i)*13^(m-i) has even d(i) for all odd i.

%K nonn,base

%O 1,2

%A _Clark Kimberling_

%E Definition corrected by _Sean A. Irvine_, Nov 17 2020