74191

Appears in sequences

• Positive numbers y such that y^2 is of the form x^2+(x+439)^2 with integer x.at n=10A159890
• a(n) = 3*a(n-1) - 2*a(n-2) - a(n-4) + a(n-5) with initial terms 1, 1, 1, 3, 6.at n=19A196787
• Number of distinct proper angles that can be formed by a vertex and two leg endpoints on grid points in an n X n square grid.at n=26A252591