Smallest prime p of form p = 8k+1 such that first n primes (p_1=2, ..., p_n) are quadratic residues mod p.
A002224
Smallest prime p of form p = 8k+1 such that first n primes (p_1=2, ..., p_n) are quadratic residues mod p.
Terms
- a(0) =17a(1) =73a(2) =241a(3) =1009a(4) =2689a(5) =8089a(6) =33049a(7) =53881a(8) =87481a(9) =483289a(10) =515761a(11) =1083289a(12) =3818929a(13) =3818929a(14) =9257329a(15) =22000801a(16) =48473881a(17) =48473881a(18) =175244281a(19) =427733329a(20) =427733329a(21) =898716289a(22) =8114538721a(23) =9176747449a(24) =23616331489a(25) =23616331489a(26) =23616331489a(27) =196265095009a(28) =196265095009a(29) =196265095009
External references
- oeis: A002224