Numbers of the form 8k+5; or, numbers whose binary expansion ends in 101.

Terms

a(0) =5a(1) =13a(2) =21a(3) =29a(4) =37a(5) =45a(6) =53a(7) =61a(8) =69a(9) =77a(10) =85a(11) =93a(12) =101a(13) =109a(14) =117a(15) =125a(16) =133a(17) =141a(18) =149a(19) =157a(20) =165a(21) =173a(22) =181a(23) =189a(24) =197a(25) =205a(26) =213a(27) =221a(28) =229a(29) =237