a(n) is the greatest prime factor of a(n-2)*a(n-1)-1.
A034970
a(n) is the greatest prime factor of a(n-2)*a(n-1)-1.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =17a(5) =59a(6) =167a(7) =821a(8) =2539a(9) =1042259a(10) =508903a(11) =5765312303a(12) =1461701a(16) =3105563257a(21) =33011914147
External references
- oeis: A034970