🎴 Flashcard Mode

Catalan Numbers

Card1 / 15
Mastered0
Review0
QuestionClick to flip

What is the Catalan number for n = 4?

AnswerClick to flip back
A
14
💡 Explanation:

The Catalan number for n = 4 can be calculated using the formula C(n) = (2n)! / ((n+1)! * n!). Substituting n = 4, we get C(4) = (2*4)! / ((4+1)! * 4!) = 14.

Change Mode