5-untouchable numbers.

Terms

a(0) =838a(1) =904a(2) =1970a(3) =2066a(4) =2176a(5) =3134a(6) =3562a(7) =4226a(8) =4756a(9) =5038a(10) =5312a(11) =5580a(12) =5692a(13) =6612a(14) =6706a(15) =7096a(16) =7210a(17) =7384a(18) =9266a(19) =9530a(20) =9704a(21) =10316a(22) =10742a(23) =10828a(24) =11482a(25) =11578a(26) =11724a(27) =12384a(28) =12592a(29) =12682