Total number of nonprime parts in all partitions of n.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =13a(5) =22a(6) =34a(7) =54a(8) =80a(9) =119a(10) =170a(11) =246a(12) =342a(13) =478a(14) =653a(15) =894a(16) =1198a(17) =1610a(18) =2127a(19) =2813a(20) =3672a(21) =4789a(22) =6181a(23) =7975a(24) =10192a(25) =13010a(26) =16488a(27) =20861a(28) =26224a(29) =32918