It equals ∑i=1nii There is no particular meaning to this series nor it has interesting properties, so Mathematicians won't spend their time investigating this series 54K viewsGet the answers you need, now!To both sides of (1) (1) 1 (1!)2 (2!)3 (3!)k (k!) (k1) (k1)!
Proof By Induction Wolfram Demonstrations Project