In how many ways can the numbers 0 through (2n − 1) be arranged in 2...

In how many ways can the numbers 0 through (2n − 1) be arranged in 2 rows of length n in such a way such that each row and each column is increasing?

Examples (with n = 5):

0	2	4	6	8
1	3	5	7	9

and

0	1	2	5	7
3	4	6	8	9

Hint: Catalan Numbers

Expert Solution

Colby Messinger answered 2 years ago

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