Self numbers divisible by sum of their digits (or, self numbers which are also Harshad numbers).

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =9a(5) =20a(6) =42a(7) =108a(8) =110a(9) =132a(10) =198a(11) =209a(12) =222a(13) =266a(14) =288a(15) =312a(16) =378a(17) =400a(18) =468a(19) =512a(20) =558a(21) =648a(22) =738a(23) =782a(24) =804a(25) =828a(26) =918a(27) =1032a(28) =1098a(29) =1122