Numbers whose base-2 representation has two fewer 0's than 1's.

Terms

a(0) =3a(1) =11a(2) =13a(3) =14a(4) =39a(5) =43a(6) =45a(7) =46a(8) =51a(9) =53a(10) =54a(11) =57a(12) =58a(13) =60a(14) =143a(15) =151a(16) =155a(17) =157a(18) =158a(19) =167a(20) =171a(21) =173a(22) =174a(23) =179a(24) =181a(25) =182a(26) =185a(27) =186a(28) =188a(29) =199