Number of 1's in 2's complement representation of -n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =1a(5) =3a(6) =2a(7) =2a(8) =1a(9) =4a(10) =3a(11) =3a(12) =2a(13) =3a(14) =2a(15) =2a(16) =1a(17) =5a(18) =4a(19) =4a(20) =3a(21) =4a(22) =3a(23) =3a(24) =2a(25) =4a(26) =3a(27) =3a(28) =2a(29) =3