Numbers with exactly 4 1's in their ternary expansion.

Terms

a(0) =40a(1) =94a(2) =112a(3) =118a(4) =120a(5) =122a(6) =124a(7) =130a(8) =148a(9) =202a(10) =256a(11) =274a(12) =280a(13) =282a(14) =284a(15) =286a(16) =292a(17) =310a(18) =328a(19) =334a(20) =336a(21) =338a(22) =340a(23) =346a(24) =352a(25) =354a(26) =356a(27) =358a(28) =360a(29) =362