# A000108: Catalan numbers In Zseq: Integer Sequence Generator

 Catalan R Documentation

## Catalan numbers

### Description

Under OEIS A000108, the nth Catalan number is given as

C_n = \frac{(2n)!}{(n+1)!n!}

where the first 6 entries are 1, 1, 2, 5, 14, 42 with n≥ 0.

### Usage

Catalan(n, gmp = TRUE)


### Arguments

 n the number of first n entries from the sequence. gmp a logical; TRUE to use large number representation, FALSE otherwise.

### Value

a vector of length n containing first entries from the sequence.

### Examples

## generate first 30 Catalan numbers
print(Catalan(30))



Zseq documentation built on Sept. 7, 2022, 5:06 p.m.