Primes congruent to 21 mod 31.

Terms

a(0) =83a(1) =269a(2) =331a(3) =641a(4) =827a(5) =1013a(6) =1447a(7) =1571a(8) =2129a(9) =2377a(10) =2687a(11) =2749a(12) =3121a(13) =3307a(14) =3617a(15) =3803a(16) =3989a(17) =4051a(18) =4423a(19) =4547a(20) =4733a(21) =4919a(22) =5167a(23) =5477a(24) =5849a(25) =6221a(26) =6469a(27) =6779a(28) =6841a(29) =7027