95668354

Appears in sequences

• Number of (<=2)-covers of an n-set.at n=8A094574
• Array read by upwards antidiagonals: T(m,n) = number of set partitions into distinct parts of the multiset consisting of one copy each of x_1, x_2, ..., x_m, and two copies each of y_1, y_2, ..., y_n, for m >= 0, n >= 0.at n=44A322770
• Number of partitions of the (n+8)-multiset {1,2,...,n,1,2,...,8} into distinct multisets.at n=8A346901