a(n) is the largest prime factor of (n-1)^n - n^(n-1).
A174379
a(n) is the largest prime factor of (n-1)^n - n^(n-1).
Terms
- a(0) =17a(1) =19a(2) =167a(3) =162287a(4) =159463a(5) =354751a(6) =2486784401a(7) =12589253a(8) =71549927a(10) =556123a(12) =25793a(13) =362561a(16) =55044966589
External references
- oeis: A174379