1118208

Appears in sequences

• Negated coefficients of Chebyshev T polynomials: [x^n](-T(n+6, x)), n >= 0.at n=12A001794
• Norm of a matrix.at n=9A004141
• Coefficients of (-x^(2n-6)) in Chebyshev polynomial of degree 2n.at n=6A068548
• Array of coefficients in Zagier's polynomials P_(n,0)(x).at n=50A075733
• Number of (n+2) X (1+2) 0..2 arrays with each 3 X 3 subblock having the sum of its 72 absolute element differences equal to 34 and no adjacent elements equal.at n=25A234927
• a(n) = n^4 * Sum_{d^2|n} 1 / d^4.at n=31A351602