A323561 Number of rooted self-avoiding king's walks of n moves on an infinite chessboard with first move specified.

2, 14, 92, 584, 3644, 22482, 137626, 837466, 5072590, 30611376, 184171252, 1105262004, 6618842522, 39564403462, 236123357538, 1407249202976, 8376673823516

Offset: 1

Author

Hugo Pfoertner, Jan 17 2019

Keywords

• nonn
• walk
• more

Comments

The first move is either (0,0) -> (1,0) or (0,0) -> (1,1). Rotated paths are not counted separately.

Crossrefs

Cf. A001411, A212715, A272773, A323131, A323140, A323559, A323562.