i1 : partitions 4 o1 = {{4}, {3, 1}, {2, 2}, {2, 1, 1}, {1, 1, 1, 1}} o1 : List
i2 : partitions(4,2) o2 = {{2, 2}, {2, 1, 1}, {1, 1, 1, 1}} o2 : List