Numbers that do not contain the letter 'n'.

Terms

a(0) =0a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =8a(7) =12a(8) =30a(9) =32a(10) =33a(11) =34a(12) =35a(13) =36a(14) =38a(15) =40a(16) =42a(17) =43a(18) =44a(19) =45a(20) =46a(21) =48a(22) =50a(23) =52a(24) =53a(25) =54a(26) =55a(27) =56a(28) =58a(29) =60