EXAMPLES:
sage: from sage.combinat.restricted_growth import RestrictedGrowthArrays
sage: R = RestrictedGrowthArrays(3)
sage: R == loads(dumps(R))
True
EXAMPLES:
sage: from sage.combinat.restricted_growth import RestrictedGrowthArrays
sage: R = RestrictedGrowthArrays(3)
sage: R.list()
[[1, 0, 0], [2, 0, 1], [2, 1, 0], [2, 1, 1], [3, 1, 2]]
EXAMPLES:
sage: from sage.combinat.restricted_growth import RestrictedGrowthArrays
sage: R = RestrictedGrowthArrays(6)
sage: R.cardinality()
203