1562071

Appears in sequences

• 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=41A322770
• Number of partitions of the (n+5)-multiset {1,2,...,n,1,2,...,5} into distinct multisets.at n=8A346898
• Number of partitions of the (n+8)-multiset {1,2,...,n,1,2,...,8} into distinct multisets.at n=5A346901