A347298 - OEIS

%I #11 Oct 04 2021 16:13:02

%S 20,21,22,40,41,42,43,44,60,61,62,63,64,65,66,80,81,82,83,84,85,86,87,

%T 88,100,120,121,122,140,141,142,143,144,160,161,162,163,164,165,166,

%U 180,181,182,183,184,185,186,187,188,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215

%N Numbers that contain an even digit d immediately followed by a digit <= d.

%C Conjecture: This is precisely the list of numbers missing from A342042.

%C The conjecture is correct, see A342042 for details. - _Sebastian Karlsson_, Oct 02 2021

%Y Cf. A342042.

%K nonn,base

%O 1,1

%A _N. J. A. Sloane_, Aug 26 2021