559987
domain: N
Appears in sequences
- Fibonacci sequence beginning 1, 31.at n=22A022401
- Number of set partitions of [2n] with symmetric block size list of length n.at n=7A275283
- Number of set partitions of [n] with symmetric block size list of length seven.at n=7A275291
- Number of set partitions of [n] with symmetric block size list of length A004525(n).at n=14A305197