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%I #37 Jul 26 2020 02:23:06
%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
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