Partial sums of A040976 (= primes-2).

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =18a(5) =29a(6) =44a(7) =61a(8) =82a(9) =109a(10) =138a(11) =173a(12) =212a(13) =253a(14) =298a(15) =349a(16) =406a(17) =465a(18) =530a(19) =599a(20) =670a(21) =747a(22) =828a(23) =915a(24) =1010a(25) =1109a(26) =1210a(27) =1315a(28) =1422a(29) =1533