Primes congruent to 15 mod 31.

Terms

a(0) =139a(1) =263a(2) =449a(3) =821a(4) =883a(5) =1069a(6) =1193a(7) =1627a(8) =1999a(9) =2309a(10) =2371a(11) =2557a(12) =3301a(13) =3673a(14) =3797a(15) =4231a(16) =4603a(17) =4789a(18) =5099a(19) =5347a(20) =5471a(21) =5657a(22) =5843a(23) =6029a(24) =6091a(25) =6277a(26) =6959a(27) =7207a(28) =7331a(29) =7393