Harshad numbers which terminate in their digital sum.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =910a(10) =912a(11) =915a(12) =918a(13) =1810a(14) =1812a(15) =1815a(16) =1818a(17) =2710a(18) =2712a(19) =2715a(20) =2718a(21) =3610a(22) =3612a(23) =3615a(24) =3616a(25) =3618a(26) =4510a(27) =4512a(28) =4515a(29) =4518