%I #9 Jan 19 2019 16:29:26

%S 2,14,92,584,3644,22482,137626,837466,5072590,30611376,184171252,

%T 1105262004,6618842522,39564403462,236123357538,1407249202976,

%U 8376673823516

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

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

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

%K nonn,walk,more

%O 1,1

%A _Hugo Pfoertner_, Jan 17 2019