Primes congruent to 20 mod 57.

Terms

a(0) =191a(1) =419a(2) =647a(3) =761a(4) =1103a(5) =1217a(6) =1559a(7) =1787a(8) =1901a(9) =2129a(10) =2243a(11) =2357a(12) =2699a(13) =2927a(14) =3041a(15) =4409a(16) =4523a(17) =4637a(18) =4751a(19) =6689a(20) =6803a(21) =6917a(22) =7487a(23) =7829a(24) =8171a(25) =8513a(26) =8627a(27) =8741a(28) =8969a(29) =9311