#21
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Re: Maths problem
One important detail I left out .
We move in the direction up-right or down-right . |
#22
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Re: Maths problem
To the original poster: Was this a homework problem in a combinatorics class? Just curious.
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#23
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Re: Maths problem
[ QUOTE ]
To the original poster: Was this a homework problem in a combinatorics class? Just curious. [/ QUOTE ] I made it up, but I'm sure this exact problem has been `made up' many times before. As above posters noted, it's closely related to generating function stuff for Catalan numbers. |
#24
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Re: Maths problem
[ QUOTE ]
[ QUOTE ] you may find the discussion here interesting http://www.artofproblemsolving.com/F...00&t=40150 [/ QUOTE ] link didn't work [/ QUOTE ] Nevermind, I tried it again and it worked this time (my crappy connection). Obviously this is an old maths problem as I suspected. Hey blah_blah, I don't suppose that you are blahblahblah on that site you link? |
#25
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Re: Maths problem
[ QUOTE ]
Hey blah_blah, I don't suppose that you are blahblahblah on that site you link? [/ QUOTE ] one and the same |
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