[seqfan] A000769 No-3-in-line problem: number of ways of placing 2n points on n X n grid so no 3 are in a line.

Ron Hardin rhhardin at att.net
Tue May 25 15:07:02 CEST 2010

The title might better say "inequivalent ways"

A000755 counts them all.

 rhhardin at mindspring.com
rhhardin at att.net (either)

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