At least one digit contains a loop (version 1).

Terms

a(0) =0a(1) =6a(2) =8a(3) =9a(4) =10a(5) =16a(6) =18a(7) =19a(8) =20a(9) =26a(10) =28a(11) =29a(12) =30a(13) =36a(14) =38a(15) =39a(16) =40a(17) =46a(18) =48a(19) =49a(20) =50a(21) =56a(22) =58a(23) =59a(24) =60a(25) =61a(26) =62a(27) =63a(28) =64a(29) =65