298117

Appears in sequences

• Löschian numbers (A003136) of the form k^2+1.at n=39A271184
• A(n, k) is the k-th number b > 1 such that b^(prime(n+i)-1) == 1 (mod prime(n+i)^2) for each i = 0..4, with k running over the positive integers; square array, read by antidiagonals, downwards.at n=13A319062