Primes of the form 398*x^2-1.

Terms

a(0) =397a(1) =3581a(2) =6367a(3) =9949a(4) =14327a(5) =19501a(6) =25471a(7) =32237a(8) =39799a(9) =48157a(10) =67261a(11) =78007a(12) =115021a(13) =128951a(14) =143677a(15) =159199a(16) =192631a(17) =229247a(18) =248749a(19) =290141a(20) =312031a(21) =334717a(22) =433421a(23) =460087a(24) =544861a(25) =574711a(26) =735901a(27) =770527a(28) =842167a(29) =879181