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Article #4249Re: a beginer want to know ......
From: Marcel van Kervinck
Date: Mon, 23 Oct 1995 00:00
Date: Mon, 23 Oct 1995 00:00
31 lines
887 bytes
887 bytes
zhuhail@vax.sbu.ac.uk wrote:
> put 8 queens in the chess board without attach each orther.
> How many solutions it may have.
n q(n) (n = size of chess board, q(n) = number of solutions)
0 1
1 1
2 0
3 0
4 2
5 10
6 4
7 40
8 92
9 352
10 724
11 2680
12 14200
13 73712
14 365596
15 2279184
16 14772512
17 95815104
18 666090624
Marcel
-- _ _
_| |_|_|
|_ |_ Marcel van Kervinck
|_| buex95a@urc.tue.nl
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10d71d,57b3ee363d233a99 X-Google-Attributes: gid10d71d,public From: buex95a@asterix (Marcel van Kervinck) Subject: Re: a beginer want to know ...... Date: 1995/10/23 Message-ID: <46gu6d$ko2@tuegate.tue.nl> X-Deja-AN: 117997085 references: <1995Oct17.194728.1@vax.sbu.ac.uk> organization: Eindhoven University of Technology, The Netherlands newsgroups: gnu.chess