Values of n such that n^2 + d^2 is prime for a record first value of d.

Terms

a(0) =1a(1) =3a(2) =8a(3) =9a(4) =12a(5) =23a(6) =30a(7) =48a(8) =63a(9) =114a(10) =141a(11) =408a(12) =651a(13) =1173a(14) =2697a(15) =12639a(16) =30963a(17) =53343a(18) =159537a(19) =283209a(20) =289131a(21) =335511a(22) =601398a(23) =1832421a(24) =2594214a(25) =3533079a(26) =4013361a(27) =15717618a(28) =17449677a(29) =57532827