Numbers whose binary indices are all semiprimes.

Terms

a(0) =8a(1) =32a(2) =40a(3) =256a(4) =264a(5) =288a(6) =296a(7) =512a(8) =520a(9) =544a(10) =552a(11) =768a(12) =776a(13) =800a(14) =808a(15) =8192a(16) =8200a(17) =8224a(18) =8232a(19) =8448a(20) =8456a(21) =8480a(22) =8488a(23) =8704a(24) =8712a(25) =8736a(26) =8744a(27) =8960a(28) =8968a(29) =8992