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Is there a comprehensive resource listing binomial identities? I am more interested in combinatorial proofs of such identities, but even a list without proofs will do.

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    You've seen http://dlmf.nist.gov/26.3 and http://functions.wolfram.com/GammaBetaErf/Binomial/ and Gradshteyn and Ryzhik and probably even the Graham-Knuth-Patashnik book I suppose?2010-08-23
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    I am aware of Concrete Math book, but I don't have it now, hence I was looking for some online resource. I think the wolfram link you just gave is quite a good one. Thanks.2010-08-23
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    Detailing the info above you find in section 0.15 of Gradshteyn, Ryzhik, Jeffrey, Zwillinger's *Table of Integrals, Series, and Products* http://www.amazon.com/Table-Integrals-Products-Sixth-Gradshteyn/dp/0122947576/ref=sr_1_1?s=books&ie=UTF8&qid=1282562268&sr=1-1#_ a list of 36 Sums of the binomial coefficients, without proof, but with a reference for it.2010-08-23
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    The pedant in me would like to add that no list will be "comprehensive" as one can generate an infinite number of binomial identities... That being said +1, I think this is a useful question.2010-10-07
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    http://www.math.ucsd.edu/~jverstra/bijections.pdf is a link with more than a few combinatorial identities - with proofs.2013-12-27

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