Primes p of the form 8*k + 5 such that every odd prime divisor of p-1 has the form 8*t + 7.
A306932
Primes p of the form 8*k + 5 such that every odd prime divisor of p-1 has the form 8*t + 7.
Terms
- a(0) =5a(1) =29a(2) =197a(3) =317a(4) =509a(5) =797a(6) =1373a(7) =1949a(8) =2213a(9) =2909a(10) =3557a(11) =3677a(12) =4157a(13) =4229a(14) =4253a(15) =4349a(16) =5309a(17) =5573a(18) =5693a(19) =6173a(20) =6269a(21) =6653a(22) =7517a(23) =7589a(24) =8573a(25) =8837a(26) =9533a(27) =10589a(28) =11069a(29) =11549
External references
- oeis: A306932