A323559 - OEIS

%I #17 Jan 30 2019 05:20:39

%S 1,7,49,337,2323,15805,107737,727619,4921655,33056939,222323989,

%T 1487064391,9957971965,66391431607,443085643919,2946553003837,

%U 19611967535129,130149475953673

%N Number of rooted self-avoiding knight's paths of length n on an infinite chessboard with first move specified.

%Y Cf. A001411, A212715, A323131, A272773, A323140, A323560.

%K nonn,walk,more

%O 1,2

%A _Hugo Pfoertner_, Jan 17 2019