Numbers whose set of base-6 digits is {1,4}.

Terms

a(0) =1a(1) =4a(2) =7a(3) =10a(4) =25a(5) =28a(6) =43a(7) =46a(8) =61a(9) =64a(10) =151a(11) =154a(12) =169a(13) =172a(14) =259a(15) =262a(16) =277a(17) =280a(18) =367a(19) =370a(20) =385a(21) =388a(22) =907a(23) =910a(24) =925a(25) =928a(26) =1015a(27) =1018a(28) =1033a(29) =1036