Numbers whose maximal base 3 run length is 2.

Terms

a(0) =4a(1) =8a(2) =9a(3) =12a(4) =14a(5) =17a(6) =18a(7) =22a(8) =24a(9) =25a(10) =28a(11) =29a(12) =31a(13) =35a(14) =36a(15) =37a(16) =38a(17) =42a(18) =43a(19) =44a(20) =45a(21) =49a(22) =51a(23) =52a(24) =55a(25) =56a(26) =58a(27) =62a(28) =63a(29) =66