Multiples of 9 in which there is no common digit in successive terms.

Terms

a(0) =9a(1) =18a(2) =27a(3) =36a(4) =45a(5) =63a(6) =72a(7) =81a(8) =90a(9) =117a(10) =225a(11) =306a(12) =414a(13) =522a(14) =603a(15) =711a(16) =828a(17) =900a(18) =1116a(19) =2007a(20) =3114a(21) =5022a(22) =6111a(23) =7002a(24) =8118a(25) =9000a(26) =11115a(27) =20007a(28) =31113a(29) =40005