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.
a_{n + 2} - e * a_{n + 1} = 3 * e^n, a_{-1} = (e^2 - 3)/e^3
a_{n + 2} - e * a_{n + 1} = 3 * e^n, a_{-1} = (e^2 - 3)/e^3
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random