Absolute stability region
Stable region in red.

Coefficients

\begin{align} y_{n + 4} - \frac{48}{25} y_{n + 3} + \frac{36}{25} y_{n + 2} - \frac{16}{25} y_{n + 1} + \frac{3}{25} y_{n} = \frac{12}{25}h f(y_{n + 4})\end{align}

Properties