13900147

Properties

Appears in sequences

• Square array A(n, k) read by antidiagonals, where A(n, 1) = prime(n) and for k > 1, A(n,k) is the smallest prime base to which A(n,k-1) is a Wieferich prime.at n=46A249162
• a(1) = 3. For n > 1, a(n) = smallest prime q such that q^(a(n-1)-1) == 1 (mod a(n-1)^2).at n=8A355598
• Prime numbersat n=904065