25955630

Appears in sequences

• Number of labeled multigraphs with loops and with n edges and no vertex of degree 0.at n=7A121227
• Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k columns and any number of nonzero rows with column sums n and columns in nonincreasing lexicographic order.at n=47A331315