Odd primes p such that 13 is a square mod p.

Terms

a(0) =3a(1) =13a(2) =17a(3) =23a(4) =29a(5) =43a(6) =53a(7) =61a(8) =79a(9) =101a(10) =103a(11) =107a(12) =113a(13) =127a(14) =131a(15) =139a(16) =157a(17) =173a(18) =179a(19) =181a(20) =191a(21) =199a(22) =211a(23) =233a(24) =251a(25) =257a(26) =263a(27) =269a(28) =277a(29) =283