Square array read by antidiagonals downwards: A(n, 1) = second Wieferich prime to base n and A(n, k) = second Wieferich prime to base A(n, k-1) for k > 1.
A281002
Square array read by antidiagonals downwards: A(n, 1) = second Wieferich prime to base n and A(n, k) = second Wieferich prime to base A(n, k-1) for k > 1.
Terms
- a(0) =3511a(1) =19a(2) =1006003a(3) =7a(4) =11a(5) =3511a(6) =491531
External references
- oeis: A281002