A discrete fast Fourier transform algorithm which can be implemented for , 3, 4, 5, 7, 8, 11, 13, and 16 points.
Winograd Transform
See also
Fast Fourier TransformExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Winograd Transform." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/WinogradTransform.html