Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This comment is hidden because it contains spoiler information about the solution
This should not have a "Best Practices" label. This is not particularly efficient, nor understandable. You're still calculating a series of powers with powers up to 7, which can still grow quite huge and slow. If your language doesn't have native big integers, this solution might not work.
Flabbergasted as well.