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| Syntactic Confectionery Delight | |
| PerlMonks |
Re: Re^2: Parens permutations (formula)by artist (Parson) |
| on Aug 05, 2003 at 16:25 UTC ( [id://281149]=note: print w/replies, xml ) | Need Help?? |
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++tye for generating the excellent formula. Lots of interesting math involved in seemingly simple looking problem. Why the formula make sense is a very good question and I don't have answer at the moment. I had suspected the factorials once I saw symmetry and little similarity with pascal's triangle, but tye came out faster even with the solution.
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