231950
domain: N
Appears in sequences
- Dirichlet convolution of Bell numbers with themselves.at n=10A034770
- a(n) = Bell(n)*(2 - 0^n).at n=10A186021
- Number T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=65A271466
- Number of set partitions of [n] with a strongly unimodal block size list.at n=12A275389
- Numbers of the form Bell(i)*Bell(j).at n=36A276281