module.exports = { 'name': 'stirlingS2', 'category': 'Combinatorics', 'syntax': [ 'stirlingS2(n, k)' ], 'description': 'he Stirling numbers of the second kind, counts the number of ways to partition a set of n labelled objects into k nonempty unlabelled subsets. `stirlingS2` only takes integer arguments. The following condition must be enforced: k <= n. If n = k or k = 1, then s(n,k) = 1.', 'examples': [ 'stirlingS2(5, 3)' ], 'seealso': ['bellNumbers'] };