1921532

Appears in sequences

• Number of 9-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.at n=11A187304
• Triangle read by rows: T(n,k) is the number of unlabeled simple graphs with n vertices and maximum vertex degree k, (0 <= k < n).at n=53A263293
• Triangle read by rows: T(n,k) is the number of graphs with n vertices and minimum vertex degree k, (0 <= k < n).at n=46A294217
• Number of simple graphs on n unlabeled nodes with minimum degree exactly 1.at n=9A324693