Numbers that are palindromic in bases 2 and 6.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =7a(5) =21a(6) =129a(7) =427a(8) =693a(9) =819a(10) =3999a(11) =4257a(12) =4593a(13) =28539a(14) =66433a(15) =85093a(16) =148617a(17) =151497a(18) =153513a(19) =180213a(20) =425971a(21) =1040319a(22) =1093281a(23) =1508381a(24) =1632995a(25) =1974031a(26) =1986127a(27) =30522135a(28) =30643095a(29) =208080483