Polkam Srinidhinidhiblog.hashnode.dev·Feb 2, 2024Learning DSA 3Catalan Number: ( standard problem for BST ) Catalan Numbers Series: 1,1,2,5,14,......... nth Catalan Number using Recursion: Catalan numbers satisfy the following recursive formula, C0=C1=1 then Cn will be: Cn = C(i) + C(n-i-1) for i=0 to n-1 ...Beginner DevelopersComments disabledThe comments have been disabled by the author for this article.