157625

Appears in sequences

• Numbers n that are the hypotenuse of exactly 31 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 31 ways.at n=25A097244
• a(n) = (n - 1)*n*(2*n^2 + 4*n - 1)/6.at n=26A330700