[zython]

The code is trivial and left as an exercise to the reader. /s

[quchen]

This, but unironically. Their formula (11) involves basics (sums and products), the only nontrivial part would be the partial partitions, and for that the first paragraph of chapter 2 explains how to get it from ordinary partitions, which is a standard function.

[ur-whale]

> The code is trivial and left as an exercise to the reader. /s

Yeah, the margin was probably not wide enough.