Sum of positive cranks minus the sum of positive ranks of all partitions of n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =4a(6) =5a(7) =7a(8) =10a(9) =13a(10) =17a(11) =24a(12) =31a(13) =40a(14) =53a(15) =69a(16) =88a(17) =113a(18) =144a(19) =183a(20) =231a(21) =290a(22) =362a(23) =453a(24) =563a(25) =696a(26) =859a(27) =1058a(28) =1296a(29) =1587