17153317

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=45A249162
• a(1) = 2. For n > 1, a(n) = smallest prime q such that q^(a(n-1)-1) == 1 (mod a(n-1)^2).at n=9A355597
• Prime numbersat n=1100518