Perfect n-th powers y^n (n >= 3) of the form x^2 + 2^a * 11^b (x >= 1, a, b >= 0, gcd(x, y) = 1).

A292872

Perfect n-th powers y^n (n >= 3) of the form x^2 + 2^a * 11^b (x >= 1, a, b >= 0, gcd(x, y) = 1).