384160

Appears in sequences

• Theta series of E_8 lattice with respect to midpoint of edge.at n=28A045819
• Number of right isosceles triangles that can be formed from the n^2 points of n X n grid of points (or geoboard).at n=30A187452
• Number of 2 X 2 matrices with all terms in {0,1,...,n} and even determinant.at n=27A210369
• Number of 2 X 2 matrices having all terms in {1,...,n} and even determinant.at n=27A211064
• First diagonal of an array, generated from the sequence of the nonprimes.at n=14A354430