http://www.cut-the-knot.org/do_you_know/cake.shtmlHow is that possible when the formula for this is 1/2(n^2 + n + 2)?The max number of pieces is 7, isnt it?
How is that possible when the formula for this is 1/2(n^2 + n + 2)?
The max number of pieces is 7, isnt it?