Primes of the form n^2 + 15.

Terms

a(0) =19a(1) =31a(2) =79a(3) =211a(4) =271a(5) =499a(6) =691a(7) =1039a(8) =1171a(9) =1459a(10) =1951a(11) =2131a(12) =2719a(13) =4111a(14) =4639a(15) =5791a(16) =7411a(17) =7759a(18) =9619a(19) =10831a(20) =11251a(21) =15391a(22) =17971a(23) =24979a(24) =29599a(25) =31699a(26) =33871a(27) =38431a(28) =40819a(29) =42451