5374177

Properties

Appears in sequences

• Numbers k where the root mean square (RMS) of k and 7 is an integer, i.e., sqrt((k^2 + 7^2)/2) is an integer.at n=24A076293
• a(n) = 7^n - 5^n + 1^n.at n=8A155640
• Part of the positive proper solutions x of the Pell equation x^2 - 2*y^2 = - 7^2 based on the fundamental solution (x0, y0)= (1, 5).at n=8A254758
• Prime numbersat n=372679