870542161121
domain: N
Appears in sequences
- a(n) = largest prime factor of n^n + 1.at n=18A007571
- Triangle read by rows in which row n gives list of prime factors of p^p + 1 where p = prime(n).at n=33A125136
- The right Aurifeuillian factor of k^k + 1 for k congruent to 0, 2 or 3 (mod 4) and squarefree.at n=8A230379
- The right Aurifeuillian factor of p^p + 1 for primes p congruent to 3 (mod 4).at n=3A352401
- a(n) is the greatest prime factor of prime(n)^prime(n) + 1.at n=7A388657