Number of prime parts in the last section of the set of partitions of n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =7a(7) =12a(8) =16a(9) =25a(10) =32a(11) =48a(12) =61a(13) =88a(14) =113a(15) =154a(16) =198a(17) =267a(18) =337a(19) =446a(20) =563a(21) =730a(22) =915a(23) =1174a(24) =1460a(25) =1853a(26) =2294a(27) =2878a(28) =3545a(29) =4416