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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.
Needs random tests(?)
The result is saturated once
nreaches13anyway, so there's no point in giving an input range as big asn<=1000.You did not provide any actual formula how to calculate the next iteration.
The equation provided is inadequate, and it leaves to people to guess what the actual formula is.