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%I #4 Mar 30 2012 18:57:12
%S 0,3,3,3,3,2,2,2,2,2,2,2,2,3,1,1,3,1,1,3,1,1,3,1,1,2,2,4,2,2,2,4,2,2,
%T 2,4,2,2,2,4,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,2,2,2,4,4,
%U 4,2,2,2,4,4,4,2,2,2,4,4,4,2,2,2,4,5,3,3,3,3,3,3
%N Array of least knight's moves to points on the square |i|+|j|=n on infinite chessboard.
%F See A065775.
%e Top 5 rows:
%e 0
%e 3 3 3 3
%e 2 2 2 2 2 2 2 2
%e 3 1 1 3 1 1 3 1 1 3 1 1
%e 2 2 4 2 2 2 4 2 2 2 4 2 2 2 4 2
%e Row n has 4n numbers which form a square of points (i.e., unit squares) on an infinite chessboard. The first 3 of these concentric squares are represented as follows:
%e ....2
%e ..2.3.2
%e 2.3.0.3.2
%e ..2.3.2
%e ....2
%Y Cf. A065775, A183050, A183053.
%K nonn,tabf
%O 1,2
%A _Clark Kimberling_, Dec 22 2010
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