Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Folge: a_1 = 1 , a_(n+1) = a_n + 2n . Berechne bis
Folge: a_1 = 1 , a_(n+1) = a_n + 2n . Berechne bis
Natural Language
Math Input
Extended Keyboard
