Numbers whose base-3 representation contains exactly four 0's and four 2's.

Terms

a(0) =4400a(1) =4436a(2) =4448a(3) =4452a(4) =4544a(5) =4556a(6) =4560a(7) =4592a(8) =4596a(9) =4608a(10) =4868a(11) =4880a(12) =4884a(13) =4916a(14) =4920a(15) =4932a(16) =5024a(17) =5028a(18) =5040a(19) =5076a(20) =5840a(21) =5852a(22) =5856a(23) =5888a(24) =5892a(25) =5904a(26) =5996a(27) =6000a(28) =6012a(29) =6048