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%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
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