Numbers whose base-4 representation contains exactly four 0's and three 1's.

Terms

a(0) =4101a(1) =4113a(2) =4116a(3) =4161a(4) =4164a(5) =4176a(6) =4353a(7) =4356a(8) =4368a(9) =4416a(10) =5121a(11) =5124a(12) =5136a(13) =5184a(14) =5376a(15) =16406a(16) =16407a(17) =16409a(18) =16413a(19) =16421a(20) =16437a(21) =16454a(22) =16455a(23) =16457a(24) =16461a(25) =16466a(26) =16467a(27) =16472a(28) =16476a(29) =16481