perplexus.info :: Just Math : Counting brackets

Counting brackets (Posted on 2017-01-03)

In how many ways can one insert n pairs of parentheses in a word of n+1 letters?

Not allowed: empty parentheses, such as a()b, or redundant parentheses such as in a((b))c.

No Solution Yet Submitted by Ady TZIDON

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	Subject	Author	Date
	computer exploration and solution	Charlie	2017-01-03 15:22:32

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