Numbers m having with m+1 no common digit in decimal representations.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =19a(11) =29a(12) =39a(13) =49a(14) =59a(15) =69a(16) =79a(17) =99a(18) =199a(19) =299a(20) =399a(21) =499a(22) =599a(23) =699a(24) =799a(25) =999a(26) =1999a(27) =2999a(28) =3999a(29) =4999