Numbers whose base-4 and base-5 expansions have no digits in common.

Terms

a(0) =4a(1) =8a(2) =12a(3) =17a(4) =18a(5) =24a(6) =34a(7) =46a(8) =64a(9) =68a(10) =69a(11) =85a(12) =90a(13) =98a(14) =112a(15) =124a(16) =168a(17) =170a(18) =171a(19) =174a(20) =234a(21) =255a(22) =324a(23) =337a(24) =372a(25) =544a(26) =546a(27) =593a(28) =594a(29) =598