186484

Appears in sequences

• Number of directed loopless multigraphs on 4 nodes with n arcs.at n=14A050930
• a(n) = n*(1 + n)*(3 - 4*n + 4*n^2)/6.at n=22A213840
• Number of partitions of n into colored blocks of equal parts, such that all colors from a set of size nine are used and the colors are introduced in increasing order.at n=24A327292