-22020096

Appears in sequences

• Determinant of the symmetric n X n matrix A defined by A[i,j] = |i-j| for 1 <= i,j <= n.at n=21A085750
• Triangle of coefficients of a polynomial sequence related to the coloring of labeled graphs.at n=34A219765
• Fourier coefficients of the boundary of the Mandelbrot set (normalized by a power of two).at n=14A331814