Numbers whose base-7 and base-8 expansions have no digits in common.

Terms

a(0) =7a(1) =14a(2) =21a(3) =22a(4) =29a(5) =30a(6) =35a(7) =36a(8) =38a(9) =42a(10) =43a(11) =44a(12) =45a(13) =50a(14) =51a(15) =52a(16) =53a(17) =54a(18) =63a(19) =100a(20) =101a(21) =103a(22) =119a(23) =121a(24) =124a(25) =125a(26) =126a(27) =148a(28) =150a(29) =151