Total sum of the left-to-right minima in all compositions of n into distinct parts.

Terms

a(0) =0a(1) =1a(2) =2a(3) =7a(4) =9a(5) =18a(6) =39a(7) =54a(8) =83a(9) =133a(10) =268a(11) =337a(12) =542a(13) =754a(14) =1148a(15) =2058a(16) =2689a(17) =3909a(18) =5607a(19) =7945a(20) =10965a(21) =19024a(22) =23838a(23) =34840a(24) =47332a(25) =67121a(26) =89006a(27) =125571a(28) =194513a(29) =250634