Sum of distinct prime divisors of prime(n)+3.

Terms

a(0) =5a(1) =5a(2) =2a(3) =7a(4) =9a(5) =2a(6) =7a(7) =13a(8) =15a(9) =2a(10) =19a(11) =7a(12) =13a(13) =25a(14) =7a(15) =9a(16) =33a(17) =2a(18) =14a(19) =39a(20) =21a(21) =43a(22) =45a(23) =25a(24) =7a(25) =15a(26) =55a(27) =18a(28) =9a(29) =31