Base 3 numbers that have digits that sum to 3.

Terms

a(0) =12a(1) =21a(2) =102a(3) =111a(4) =120a(5) =201a(6) =210a(7) =1002a(8) =1011a(9) =1020a(10) =1101a(11) =1110a(12) =1200a(13) =2001a(14) =2010a(15) =2100a(16) =10002a(17) =10011a(18) =10020a(19) =10101a(20) =10110a(21) =10200a(22) =11001a(23) =11010a(24) =11100a(25) =12000a(26) =20001a(27) =20010a(28) =20100a(29) =21000