Primes of the form k^2 + 13.

Terms

a(0) =13a(1) =17a(2) =29a(3) =113a(4) =157a(5) =269a(6) =337a(7) =797a(8) =1613a(9) =1777a(10) =1949a(11) =2129a(12) =3613a(13) =4637a(14) =5197a(15) =6737a(16) =7069a(17) =7757a(18) =8849a(19) =11677a(20) =12113a(21) =13009a(22) =13469a(23) =14897a(24) =15889a(25) =20177a(26) =20749a(27) =23117a(28) =24977a(29) =32413