Numbers whose base-4 representation contains exactly three 0's and no 1's.

Terms

a(0) =128a(1) =192a(2) =514a(3) =515a(4) =520a(5) =524a(6) =544a(7) =560a(8) =640a(9) =704a(10) =770a(11) =771a(12) =776a(13) =780a(14) =800a(15) =816a(16) =896a(17) =960a(18) =2058a(19) =2059a(20) =2062a(21) =2063a(22) =2082a(23) =2083a(24) =2088a(25) =2092a(26) =2098a(27) =2099a(28) =2104a(29) =2108