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Log in| Search found 4 matches |
| Author | Message |
|---|---|
 Topic: getting more and more interested ( and confused) |
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| John Ruddock Replies: 15 Views: 88309 |
 Forum: Other puzzles Posted: Thu Nov 03, 2005 9:26 pm Subject: Re: 17-clue puzzles |
| See also: http://en.wikipedia.org/wiki/Mathematics_of_Sudoku This is not the same as the link in my other post, which has a section "Mathematics of Sudoku". There are nearly 25,000 cataloged soulti ... |
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| Topic: getting more and more interested ( and confused) |
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| John Ruddock Replies: 15 Views: 88309 |
Forum: Other puzzles Posted: Fri Oct 28, 2005 12:22 am Subject: getting more and more interested ( and confused) |
| Hi everybody, I can't seem to work out how to reply with the received response/quote in a box, so I'm starting again from scratch. So my reply to DCB's exquisite insights and my subsequent questions ... |
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| Topic: More mathematics - possibly esoteric |
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| John Ruddock Replies: 5 Views: 46381 |
Forum: Other puzzles Posted: Tue Oct 25, 2005 7:37 pm Subject: More mathematics - possibly esoteric |
| I have always been interested in maths, though not a brilliant practitioner. I did study maths for scientists in my 1st year at university, but have never studied number theory or advanced combinatori ... | |
| Topic: mathematics of Su Doku |
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| John Ruddock Replies: 2 Views: 35617 |
Forum: Test Posted: Wed Oct 19, 2005 7:57 pm Subject: mathematics of Su Doku |
| I have read recently that there are 6 x 10 to the power 21 permutations of the Su Doku grid. Is this really right? I don't regard number transpositions as yielding a different puzzle i.e swapping a 1 ... | |
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