Members of A016052 whose digit sum is three.

Terms

a(0) =3a(1) =12a(2) =21a(3) =30a(4) =111a(5) =120a(6) =201a(7) =210a(8) =1020a(9) =1101a(10) =1110a(11) =2010a(12) =10020a(13) =10101a(14) =10110a(15) =11010a(16) =20100a(17) =100020a(18) =100101a(19) =100110a(20) =101010a(21) =110100a(22) =200100a(23) =300000a(24) =1000101a(25) =1000110a(26) =1001010a(27) =1010100a(28) =1100100a(29) =1200000