A031996 - OEIS

%I #17 May 05 2020 10:28:54

%S 0,1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,22,23,26,27,28,

%T 29,30,31,32,33,34,35,39,40,41,42,43,44,45,46,47,52,53,54,55,56,57,58,

%U 59,65,66,67,68,69,70,71,78,79,80,81,82,83,91

%N Duplicate of A023753.

%Y Cf. A009994, A023767.

%K dead

%O 1,3