Number of unimodal partitions/compositions of n into distinct terms.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =5a(6) =9a(7) =11a(8) =15a(9) =21a(10) =33a(11) =39a(12) =55a(13) =69a(14) =93a(15) =127a(16) =159a(17) =201a(18) =261a(19) =327a(20) =411a(21) =537a(22) =653a(23) =819a(24) =1011a(25) =1257a(26) =1529a(27) =1899a(28) =2331a(29) =2829