How do I do this with the extra twist of getting the text (i.e. my custom page numbering) right aligned?
The end results should look something like this (full width):
Text ......... 1-2
Text ......... 34-143
Text text text
text tex ..... 3-5
PS I have tried the obvious setting the cell alignment to r but this don't have any real effect.
(I'm using LuaTex with the document class memoir).

\newline), is that best achieved with\vspace{X}or doestabularx/memoirones again come to the rescue with a build-in function for this feature? – imdk4242 Jul 14 '19 at 19:36\renewcommand{\arraystretch}{1.5}or any other factor of your choice. – leandriis Jul 14 '19 at 20:10r, pushes the text to the bottom right (rather than the top right). Do I need to make an adjustment to the\tabularxcolumnto make this change happen? – imdk4242 Jul 14 '19 at 20:46