Sunday 17 May 2015

sequences and series - A sum involving Fibonacci numbers, $sum_{k=1}^infty F_k/k!$

Let $F_k$ be Fibonacci numbers. I am looking for a closed form of the sum $\sum_{k=1}^\infty F_k/k!$.



I tried to use Wolfram Alpha, but it is not doing the sum Fibonacci[k]/k! , k=1 to infinity.




Can someone tell what is the problem with WA and what this sum equals to?

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