56881771

Properties

Appears in sequences

• Values of x in x^2 - 49 = 2*y^2.at n=27A106525
• The x members of the positive proper solutions (x = x1(n), y = y1(n)) of the first class for the Pell equation x^2 - 2*y^2 = +7^2.at n=9A275793
• Prime numbersat n=3387800