Numbers whose base-3 representation contains exactly three 0's and four 1's.

Terms

a(0) =742a(1) =760a(2) =766a(3) =768a(4) =814a(5) =820a(6) =822a(7) =838a(8) =840a(9) =846a(10) =976a(11) =982a(12) =984a(13) =1000a(14) =1002a(15) =1008a(16) =1054a(17) =1056a(18) =1062a(19) =1080a(20) =2228a(21) =2230a(22) =2236a(23) =2254a(24) =2282a(25) =2284a(26) =2290a(27) =2300a(28) =2302a(29) =2306