2203201domain: NAppears in sequencesNumbers that set records for number of divisors of n(n-1).at n=41A192488Square array A(n, k) read by antidiagonals downwards: smallest base-n Fermat pseudoprime with k distinct prime factors for k, n >= 2.at n=24A271873Smallest base-n Fermat pseudoprime with n distinct prime factors.at n=3A271874