57608

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 60.at n=7A031738
• a(n) = 64*n^2 + 8.at n=29A158488
• Number of solutions to x^2 + y^2 + z^2 + t^2 == n (mod 2*n) for x,y,z,t in [0, 2*n).at n=18A229294
• Number of non-congruent solutions of x^2 + y^2 + z^2 + t^2 == 0 mod n.at n=37A240547
• Number of non-congruent solutions of x^2+y^2 == z^2+w^2 (mod n).at n=37A316148
• Number of quadrilaterals in the graph formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).at n=26A332607