Compositions (ordered partitions) of n into odd parts where the first part must be a maximal part.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =4a(7) =6a(8) =8a(9) =12a(10) =18a(11) =27a(12) =40a(13) =61a(14) =93a(15) =142a(16) =217a(17) =333a(18) =512a(19) =789a(20) =1217a(21) =1881a(22) =2912a(23) =4514a(24) =7007a(25) =10893a(26) =16956a(27) =26427a(28) =41238a(29) =64426