Smallest multiple of n beginning and ending in n and with a digit sum that is divisible by n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10810a(10) =119911a(11) =12612a(12) =1310413a(13) =1411214a(14) =15315a(15) =162016a(16) =1745917a(17) =1818a(18) =1968419a(19) =207920a(20) =2116821a(21) =227722a(22) =2318423a(23) =244824a(24) =252925a(25) =269126a(26) =272727a(27) =283528a(28) =2923229a(29) =3069930