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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.
This kata is old and has been solved many times. Its design won't be changed since it would invalidate all submitted solutions.
Probably because you had to come up with an equation that represents the series.
I have not run into that too much but I am comfortable doing that. They prob.
should of gave the equation. Not here to learn about math although kind of
a prequesite for programming in general.
Except you don't need an array at all. You need a loop and some formatting, that doesn't seem to be higher than 7 kyu IMO.