id:A018816 - OEIS Search Results

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Number of lines through exactly 9 points of an n X n grid of points.

+0
1

0, 0, 0, 0, 0, 0, 0, 0, 0, 20, 4, 4, 4, 4, 4, 4, 4, 40, 84, 56, 20, 20, 20, 20, 20, 124, 244, 380, 300, 204, 92, 92, 92, 228, 380, 548, 732, 628, 508, 372, 220, 556, 924, 1324, 1756, 2220, 1964, 1676, 1356, 1204, 1036, 1268, 1516, 1780, 2060, 1908, 1740, 2252, 2796, 3372 (list; graph; listen)

	OFFSET	`0,10`
	CROSSREFS	`Sequence in context: A070645 A040392 A040388 this_sequence A040389 A040386 A104158` `Adjacent sequences: A018813 A018814 A018815 this_sequence A018817 A018818 A018819`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research