Smallest prime p modulo which the first n primes are nonzero quadratic residues.

Terms

a(0) =7a(1) =23a(2) =71a(3) =311a(4) =479a(5) =1559a(6) =5711a(7) =10559a(8) =18191a(9) =31391a(10) =366791a(11) =366791a(12) =366791a(13) =3818929a(14) =9257329a(15) =22000801a(16) =36415991a(17) =48473881a(18) =120293879a(19) =120293879a(20) =131486759a(21) =131486759a(22) =2929911599a(23) =2929911599a(24) =7979490791a(25) =23616331489a(26) =23616331489a(27) =89206899239a(28) =121560956039a(29) =196265095009