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PlanetMath: falling factorial |
 | | Unfortunately, the notational conventions for the rising and falling factorials lack a common standard, and are plagued with a fundamental inconsistency. |
| | to denote the rising factorial and use this symbol in the description of the various flavours of hypergeometric series. |
| | This is version 8 of falling factorial, born on 2002-02-19, modified 2004-07-06. |
| planetmath.org /encyclopedia/RisingFactorial.html (322 words) |
