Catalan {Zseq} | R Documentation |
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\ge 0.
Catalan(n, gmp = TRUE)
n |
the number of first |
gmp |
a logical; |
a vector of length n
containing first entries from the sequence.
## generate first 30 Catalan numbers
print(Catalan(30))