Total number of composite parts in all partitions of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =3a(7) =4a(8) =9a(9) =13a(10) =22a(11) =31a(12) =51a(13) =70a(14) =105a(15) =145a(16) =210a(17) =283a(18) =398a(19) =530a(20) =726a(21) =958a(22) =1283a(23) =1673a(24) =2212a(25) =2854a(26) =3714a(27) =4756a(28) =6119a(29) =7764