a(n) = sum of the first n primes which are coprime to n.

Terms

a(0) =2a(1) =8a(2) =14a(3) =26a(4) =36a(5) =72a(6) =70a(7) =98a(8) =126a(9) =190a(10) =186a(11) =276a(12) =268a(13) =372a(14) =432a(15) =438a(16) =484a(17) =634a(18) =620a(19) =784a(20) =864a(21) =950a(22) =940a(23) =1156a(24) =1156a(25) =1356a(26) =1368a(27) =1584a(28) =1564a(29) =1978