Duplicate of A030305.

Terms

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