A simple proof of Andrews’s 5F4 evaluation
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- Gessel, I.M. Ramanujan J (2015) 36: 165. doi:10.1007/s11139-013-9517-8
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We give a simple proof of George Andrews’s balanced 5F4 evaluation using two fundamental principles: the nth difference of a polynomial of degree less than n is zero, and a polynomial of degree n that vanishes at n+1 points is identically zero.