# [Cheddar](http://cheddar.vihan.org/), 26 bytes

 n g->n?g(n-=1)**2-g(n)+1:2

[Try it online!](http://cheddar.tryitonline.net/#code=biBnLT5uP2cobi09MSkqKjItZyhuKSsxOjI&input=NA)

Cheddar is only three times longer than Jelly!