540568

Appears in sequences

• Number of labeled connected graphs with n vertices and 1 cutpoint.at n=4A013923
• a(n) = n^5 + n^3.at n=14A155977
• Triangle read by rows: T(n,k) is the number of simple connected graphs on n labeled nodes with k articulation vertices, (0 <= k <= n).at n=29A370064