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

Terms

a(0) =0a(1) =0a(2) =2a(3) =2a(4) =2a(5) =7a(6) =9a(7) =2a(8) =7a(9) =15a(10) =9a(11) =19a(12) =21a(13) =7a(14) =13a(15) =7a(16) =9a(17) =31a(18) =2a(19) =19a(20) =14a(21) =21a(22) =7a(23) =45a(24) =49a(25) =9a(26) =7a(27) =15a(28) =55a(29) =18