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.
y(1)=2, y(n+1) = y(n) (1/gamma(n+2)) 2^(n+1) (gamma(1+floor(n/2)))^2 (1 + frac((n+2)/2)*(n-1))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random