Let \(\{w_n\}\) be a second-order recurrence sequence. According to the definition and characteristics of the recurrent sequence, we proved a recursion formula for certain reciprocal sums whose denominators are products of consecutive elements of \(\{w_n\}\).
Citation
Hong Hu. One Recursion Formula of Second-Order Recurrent Sequences[J], Ars Combinatoria, Volume 088. 281-288. .