You're right, it's 2,048 layers. The sad part for me is that I knew that number, but when I did the math, I couldn't get it to work with the current layer's num

You're right, it's 2,048 layers. The sad part for me is that I knew that number, but when I did the math, I couldn't get it to work with the current layer's numbers, because I forgot that the cube length goes down by two, not one. Oh well, shows I shouldn't do math late at night!