afruizc's blog

By afruizc, 8 years ago, In English

Hello everyone, I have been struggling for two weeks now trying to solve this problem

I know it has to do with some combinatorics. Muy first thought was something like (k-2)^N por something Of the like, but that clearly doesnt work.

If have be en writing things down, but i cant see the pattern. I know also it has to be linear with respect to n.

Thanks a bunch!!!

 
 
 
 
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