Under OEIS A001006, a Motzkin number for a given n is the number
of ways for drawing non-intersecting chords among n points on a circle,
where the first 7 entries are 1, 1, 2, 4, 9, 21, 51.
Usage
Motzkin(n, gmp = TRUE)
Value
a vector of length n containing first entries from the sequence.
Arguments
n
the number of first n entries from the sequence.
gmp
a logical; TRUE to use large number representation, FALSE otherwise.