Numbers in which all pairs of consecutive base-10 digits differ by 3.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =14a(10) =25a(11) =30a(12) =36a(13) =41a(14) =47a(15) =52a(16) =58a(17) =63a(18) =69a(19) =74a(20) =85a(21) =96a(22) =141a(23) =147a(24) =252a(25) =258a(26) =303a(27) =363a(28) =369a(29) =414