Primes of form n^2 + 625.

Terms

a(0) =641a(1) =661a(2) =769a(3) =821a(4) =881a(5) =1109a(6) =1201a(7) =1301a(8) =1409a(9) =2069a(10) =2389a(11) =2741a(12) =3329a(13) =3541a(14) =3761a(15) =3989a(16) =4721a(17) =6101a(18) =6709a(19) =7349a(20) =7681a(21) =8369a(22) =9461a(23) =12289a(24) =14081a(25) =14549a(26) =16001a(27) =18049a(28) =19121a(29) =20789