Largest number k such that the greatest prime factor of k^2 - 1 is prime(n).

A175607

Largest number k such that the greatest prime factor of k^2 - 1 is prime(n).

Terms

    a(0) =3a(1) =17a(2) =161a(3) =8749a(4) =19601a(5) =246401a(6) =672281a(7) =23718421a(8) =10285001a(9) =354365441a(10) =3222617399a(11) =9447152318a(12) =127855050751a(13) =842277599279

External references