p + P(p) where p is the n-th prime and P(p) is the unrestricted partition number of p.

Terms

a(0) =4a(1) =6a(2) =12a(3) =22a(4) =67a(5) =114a(6) =314a(7) =509a(8) =1278a(9) =4594a(10) =6873a(11) =21674a(12) =44624a(13) =63304a(14) =124801a(15) =329984a(16) =831879a(17) =1121566a(18) =2679756a(19) =4697276a(20) =6185762a(21) =13848729a(22) =23338552a(23) =49996014a(24) =133231027a(25) =214481227a(26) =271249053a(27) =431149496a(28) =541946349a(29) =851376741