Combinatorica`
Combinatorica`
UnrankSetPartition
UnrankSetPartition[r,set]
finds a set partition of set with rank 
.
UnrankSetPartition[r,n]
finds a set partition of 
with rank 
.
更多信息和选项
- To use UnrankSetPartition, you first need to load the Combinatorica Package using Needs["Combinatorica`"].