Numbers with no 3's in base-5 expansion.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =5a(5) =6a(6) =7a(7) =9a(8) =10a(9) =11a(10) =12a(11) =14a(12) =20a(13) =21a(14) =22a(15) =24a(16) =25a(17) =26a(18) =27a(19) =29a(20) =30a(21) =31a(22) =32a(23) =34a(24) =35a(25) =36a(26) =37a(27) =39a(28) =45a(29) =46