Total number of parts >= 3 in all partitions of n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =4a(5) =8a(6) =13a(7) =22a(8) =35a(9) =54a(10) =80a(11) =121a(12) =172a(13) =247a(14) =347a(15) =484a(16) =661a(17) =906a(18) =1215a(19) =1632a(20) =2162a(21) =2855a(22) =3730a(23) =4871a(24) =6290a(25) =8111a(26) =10381a(27) =13252a(28) =16802a(29) =21269