a(n) = Sum_{i=0..m} d(i)*6^i, where Sum_{i=0..m} d(i)*5^i is the base 5 representation of n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =12a(11) =13a(12) =14a(13) =15a(14) =16a(15) =18a(16) =19a(17) =20a(18) =21a(19) =22a(20) =24a(21) =25a(22) =26a(23) =27a(24) =28a(25) =36a(26) =37a(27) =38a(28) =39a(29) =40