19152352117domain: NAppears in sequencesThe right Aurifeuillian factor of k^k - 1 for k congruent to 1 (mod 4) and squarefree.at n=2A230378Table read by rows in which row n lists divisors of (p^p-1)/(p-1) where p = prime(n).at n=28A248843The right Aurifeuillian factor of p^p - 1, for primes p congruent to 1 (mod 4).at n=2A352732