84040

Appears in sequences

• Number of 3-turn queen's tours on an n X n board summed over all starting positions.at n=9A186966
• List of numbers k whose consecutive digits increase or decrease by d-1, where d is the number of digits in k.at n=98A292439
• Row sums of A376832.at n=21A379540
• Number of prime graphs, G, on n vertices which do not contain a degree-1 vertex in G nor in co-G.at n=8A385693