Some Nice Sums are Almost as Nice if you turn them Upside Down
Moa ApagoduDoron Zeilberger
所有作者
Moa ApagoduDoron Zeilberger
文献摘要
We represent the sums ∑k=0n−1(kn)−2,
∑k=0m(km)−1(n−ka)−1,
∑k=0n−1[kn]qq−k(k−1), and the
sum of the reciprocals of the summands in Dixon’s identity, each as a product
of an {\it indefinite hypergeometric sum} times a (closed form) {\it
hypergeometric sequence}