Primes p such that the greatest prime divisor of p-1 is 7.

Terms

a(0) =29a(1) =43a(2) =71a(3) =113a(4) =127a(5) =197a(6) =211a(7) =281a(8) =337a(9) =379a(10) =421a(11) =449a(12) =491a(13) =631a(14) =673a(15) =701a(16) =757a(17) =883a(18) =1009a(19) =1051a(20) =1373a(21) =1471a(22) =2017a(23) =2269a(24) =2521a(25) =2647a(26) =2689a(27) =2801a(28) =3137a(29) =3361