56190

Appears in sequences

• Number of ways to move a chess rook from the lower left corner to square (n,n), with the rook moving only up or right.at n=6A051708
• Table A(d,n) of the number of paths of a chess rook in a d-dimensional hypercube from (0...0) to (n...n) where the rook may move in steps that are multiples of (1,0..0), (0,1,0..0), ..., (0..0,1).at n=34A181731
• Number of 5-cycles in the n-triangular honeycomb obtuse knight graph.at n=42A290391