Primes p of the form 4m+3 for which there are exactly as many primitive roots modulo p in the interval [0,p/2] as in the interval [p/2,p].
A172490
Primes p of the form 4m+3 for which there are exactly as many primitive roots modulo p in the interval [0,p/2] as in the interval [p/2,p].
Terms
- a(0) =7a(1) =31a(2) =43a(3) =67a(4) =307a(5) =367a(6) =487a(7) =643a(8) =1327a(9) =1663a(10) =2371a(11) =3643a(12) =3847a(13) =4327a(14) =4951a(15) =6091a(16) =6571a(17) =8263a(18) =9151a(19) =9187a(20) =11239a(21) =11383a(22) =11863a(23) =15307a(24) =24007a(25) =24151a(26) =27847a(27) =30091a(28) =30643a(29) =33619
External references
- oeis: A172490