Numbers with no consecutive equal base-5 digits.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =7a(6) =8a(7) =9a(8) =10a(9) =11a(10) =13a(11) =14a(12) =15a(13) =16a(14) =17a(15) =19a(16) =20a(17) =21a(18) =22a(19) =23a(20) =26a(21) =27a(22) =28a(23) =29a(24) =35a(25) =36a(26) =38a(27) =39a(28) =40a(29) =41