Numbers whose square has digit sum 9 and no trailing zero.

Terms

a(0) =3a(1) =6a(2) =9a(3) =12a(4) =15a(5) =18a(6) =21a(7) =39a(8) =45a(9) =48a(10) =51a(11) =102a(12) =105a(13) =111a(14) =201a(15) =249a(16) =318a(17) =321a(18) =348a(19) =351a(20) =501a(21) =549a(22) =1002a(23) =1005a(24) =1011a(25) =1101a(26) =1149a(27) =1761a(28) =2001a(29) =4899