Some nontrivial permutation of digits is an odd number.

Terms

a(0) =10a(1) =11a(2) =12a(3) =13a(4) =14a(5) =15a(6) =16a(7) =17a(8) =18a(9) =19a(10) =30a(11) =31a(12) =32a(13) =33a(14) =34a(15) =35a(16) =36a(17) =37a(18) =38a(19) =39a(20) =50a(21) =51a(22) =52a(23) =53a(24) =54a(25) =55a(26) =56a(27) =57a(28) =58a(29) =59