219555

Appears in sequences

• Number of n-move king paths on 8 X 8 board from given corner to any square.at n=7A025595
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (-1, 0), (0, -1), (0, 1), (1, -1), (1, 0), (1, 1)}.at n=7A151331
• The Wiener index of the Kneser graph K(n,2) (n>=5).at n=31A228306
• Number of ways to place 2 points on a triangular grid of side n so that they are not adjacent.at n=34A239568