Sequence A000930 with terms repeated.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =3a(9) =3a(10) =4a(11) =4a(12) =6a(13) =6a(14) =9a(15) =9a(16) =13a(17) =13a(18) =19a(19) =19a(20) =28a(21) =28a(22) =41a(23) =41a(24) =60a(25) =60a(26) =88a(27) =88a(28) =129a(29) =129