Sum of the smallest parts of all compositions of n into distinct parts.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =6a(5) =11a(6) =18a(7) =25a(8) =32a(9) =53a(10) =84a(11) =107a(12) =156a(13) =205a(14) =302a(15) =497a(16) =618a(17) =863a(18) =1206a(19) =1597a(20) =2228a(21) =3569a(22) =4440a(23) =6191a(24) =8256a(25) =11329a(26) =14642a(27) =20477a(28) =30390a(29) =38555