492492

Appears in sequences

• Molecular topological indices of the graph join C_n + C_n of cycle graphs.at n=38A192848
• Triangle read by rows, T(n,k) = C(2*n,n+k)*Sum_{m=0..k} (-1)^(m+k)*C(n+k,n+m)* Stirling2(n+m,m), for n>=0 and 0<=k<=n.at n=30A268439
• Number of ordered set partitions of [n] with nondecreasing block sizes and maximal block size equal to nine.at n=5A272499