Numbers in which all pairs of consecutive base-6 digits differ by 3.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =10a(6) =17a(7) =18a(8) =25a(9) =32a(10) =61a(11) =104a(12) =111a(13) =154a(14) =197a(15) =370a(16) =629a(17) =666a(18) =925a(19) =1184a(20) =2221a(21) =3776a(22) =3999a(23) =5554a(24) =7109a(25) =13330a(26) =22661a(27) =23994a(28) =33325a(29) =42656