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A018813 Number of lines through exactly 6 points of an n X n grid of points. 0

%I

%S 0,0,0,0,0,0,14,4,4,4,4,28,60,44,20,20,88,172,272,228,168,180,284,404,

%T 540,484,628,788,964,1276,1620,1612,1588,1548,1492,1420,2072,2484,

%U 2928,3404,3912,4788,5728,5852,5960,6052,6692,7364,8068,8004,8520,9468,10464

%N Number of lines through exactly 6 points of an n X n grid of points.

%K nonn

%O 0,7

%A _David W. Wilson_

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Last modified May 24 00:31 EDT 2013. Contains 225613 sequences.