388660153867
domain: N
Appears in sequences
- Partition n labeled elements into sets of different sizes and order the sets.at n=18A032011
- Number of ordered set partitions of {1,2,...,n} such that no part has the same size as any of its five immediate predecessors.at n=18A272433
- Number of ordered set partitions of {1,2,...,n} such that no part has the same size as any of its six immediate predecessors.at n=18A272434