Binomial returns the binomial coefficient of (n,k), also commonly referred to as "n choose k". The binomial coefficient, C(n,k), is the number of unordered combinations of k elements in a set that is n elements big, and is defined as C(n,k) = n!/((n-k)!k!) n and k must be non-negative with n >= k
(n, k int)
source not stored for this graph (policy: none)
no outgoing calls