A050829 divided by 2.

Terms

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