Numbers whose binary representation ends in an even number of zeros.

Terms

a(0) =1a(1) =3a(2) =4a(3) =5a(4) =7a(5) =9a(6) =11a(7) =12a(8) =13a(9) =15a(10) =16a(11) =17a(12) =19a(13) =20a(14) =21a(15) =23a(16) =25a(17) =27a(18) =28a(19) =29a(20) =31a(21) =33a(22) =35a(23) =36a(24) =37a(25) =39a(26) =41a(27) =43a(28) =44a(29) =45