Positive numbers k such that every base-2 digit of k is a base-3 digit of k.

Terms

a(0) =1a(1) =3a(2) =7a(3) =9a(4) =10a(5) =11a(6) =12a(7) =15a(8) =19a(9) =21a(10) =27a(11) =28a(12) =29a(13) =30a(14) =31a(15) =32a(16) =33a(17) =34a(18) =35a(19) =36a(20) =37a(21) =38a(22) =39a(23) =42a(24) =45a(25) =46a(26) =47a(27) =48a(28) =51a(29) =55