Total number of inversions in all partitions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =9a(6) =18a(7) =38a(8) =68a(9) =120a(10) =200a(11) =326a(12) =508a(13) =785a(14) =1179a(15) =1741a(16) =2532a(17) =3633a(18) =5141a(19) =7199a(20) =9972a(21) =13680a(22) =18618a(23) =25116a(24) =33642a(25) =44738a(26) =59139a(27) =77653a(28) =101444a(29) =131751