Data related to no-3-in-line problem
Paul D. Hanna
pauldhanna at juno.com
Thu May 12 07:08:21 CEST 2005
Also, the link that David referrenced gives the table:
http://wwwhomes.uni-bielefeld.de/achim/no3in/table_old.txt
which extends sequence A000755 by 4 terms to be:
1,2,11,32,50,132,380,368,1135,1120,4348,3622,10568
over the current:
http://www.research.att.com/projects/OEIS?Anum=A000755
Sequence: 1,2,11,32,50,132,380,368,1135
Name: No-3-in-line problem on n X n grid.
-- Paul
On Thu, 12 May 2005 01:03:44 -0400 Gerald McGarvey
<Gerald.McGarvey at comcast.net> writes:
For the convenience of those interested in this problem:
Related entry A000769 has links to other related sequences and articles
including this one
No-3-in-line problem: number of ways of placing 2n points on n X n
grid so no 3 are in a line.
http://www.research.att.com/cgi-bin/access.cgi/as/njas/sequences/eisA.cgi
?Anum=A000769
Gerald
At 11:49 PM 5/11/2005, David Wilson wrote:
Off of this page
http://wwwhomes.uni-bielefeld.de/achim/no3in/readme.html
there seems to be a lot of data on the no-3-in-line problem on the n x n
grid. Probably potential for many new seqences and extensions of
existing sequences if I knew how to interpret the data.
- David W. Wilson
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