User blog comment:Hyp cos/Two Extensions of BEAF/@comment-5029411-20131006002021/@comment-11227630-20131006011650

To reach LX, we need a type-X array.

The base number of a type-(m+1) array is Lm.

So what's the base number of type-X arrays?

So I find it a bit difficult to go further in this way.