Primes p such that 42 is not a square mod p.

Terms

a(0) =5a(1) =23a(2) =31a(3) =37a(4) =43a(5) =59a(6) =67a(7) =71a(8) =73a(9) =83a(10) =97a(11) =101a(12) =103a(13) =109a(14) =113a(15) =131a(16) =137a(17) =163a(18) =173a(19) =191a(20) =199a(21) =211a(22) =223a(23) =227a(24) =233a(25) =239a(26) =241a(27) =251a(28) =263a(29) =269