4460544

Appears in sequences

• Theta series of laminated lattice LAMBDA_12^{max}.at n=13A006914
• a(n) = (2*n*(n+1))^2.at n=32A060300
• (-1)^(n+1) * Determinant of n X n matrix of form [1^2 2^2 3^2 4^2 5^2 / 2^2 1^2 2^2 3^2 4^2 / 3^2 2^2 1^2 2^2 3^2 / 4^2 3^2 2^2 1^2 2^2 / 5^2 4^2 3^2 2^2 1^2].at n=7A071535
• One quarter the number of n X n 1..4 arrays with no two neighbors of any element equal to each other.at n=7A183353
• One quarter the number of nX8 1..4 arrays with no two neighbors of any element equal to each other.at n=7A183360
• Squares of the form k + reverse(k) for at least one k.at n=22A358880