Smallest multiple of n beginning with n and having a digit sum n, or 0 if no such number exists.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =1090a(10) =0a(11) =1236a(12) =13117a(13) =14126a(14) =1545a(15) =16144a(16) =17153a(17) =1818a(18) =19171a(19) =201980a(20) =21189a(21) =22198a(22) =23828a(23) =24288a(24) =25675a(25) =26468a(26) =27189a(27) =28756a(28) =29783a(29) =309990