Numbers whose base-3 and base-4 expansions have no digits in common.

Terms

a(0) =3a(1) =10a(2) =15a(3) =40a(4) =63a(5) =80a(6) =255a(7) =766a(8) =1002a(9) =1003a(10) =1023a(11) =3006a(12) =3007a(13) =4095a(14) =16383a(15) =60138a(16) =60139a(17) =60142a(18) =61354a(19) =65535a(20) =180154a(21) =245674a(22) =245754a(23) =245755a(24) =245758a(25) =256698a(26) =256699a(27) =256702a(28) =256942a(29) =256959