Delete all digits '1' from the sequence of nonnegative integers.

Terms

a(0) =0a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =0a(10) =2a(11) =3a(12) =4a(13) =5a(14) =6a(15) =7a(16) =8a(17) =9a(18) =20a(19) =2a(20) =22a(21) =23a(22) =24a(23) =25a(24) =26a(25) =27a(26) =28a(27) =29a(28) =30a(29) =3