%I

%S 0,1,2,3,4,5,6,7,8,9,10,11,20,21,22,30,31,33,40,41,44,50,51,55,60,61,

%T 66,70,71,77,80,81,88,90,91,99,100,101,110,111,121,131,132,141,142,

%U 151,152,161,162,171,172,181,182,191,192,200,201,202,210,212,220,221,222,231

%N a(n) = A335978(n)/9.

%Y Cf. A335978.

%K nonn,base

%O 1,3

%A _N. J. A. Sloane_, Jul 25 2020