A026217 - OEIS

%I #8 Feb 05 2020 15:35:16

%S 1,3,4,2,7,9,10,12,13,5,16,6,19,21,22,8,25,27,28,30,31,11,34,36,37,39,

%T 40,14,43,15,46,48,49,17,52,18,55,57,58,20,61,63,64,66,67,23,70,24,73,

%U 75,76,26,79,81,82,84,85,29,88,90,91,93,94

%N Duplicate of A026178.

%K dead

%O 1,2