Numbers whose English name has at least two vowels and all the vowels are in alphabetical order.

Terms

a(0) =0a(1) =3a(2) =4a(3) =7a(4) =8a(5) =11a(6) =12a(7) =17a(8) =22a(9) =23a(10) =24a(11) =26a(12) =27a(13) =28a(14) =32a(15) =34a(16) =36a(17) =42a(18) =44a(19) =52a(20) =54a(21) =56a(22) =62a(23) =64a(24) =66a(25) =70a(26) =72a(27) =73a(28) =74a(29) =76