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.
(sum k=1..2018 of (2018k*(-2)^k))-4036(6055*2^(2018)-1)/9
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random