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.

A249162

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.