Define "doesn't work". What goes wrong? Do you get an error message? What result are you expecting?
Why use OFFSET in the first place?
to get the cell reference(with max value) in column A of worksheet "LesLoan" NOTE: the contect in criteria area must be in numercial format.
=OFFSET(INDIRECT("LesLoan!A"&MATCH(MAX(LesLoan!A:A),LesLoan!A:A,)),0,5)
to get the cell reference(with last entry) in column A of worksheet "LesLoan". NOTE: the content might or might not be numerical data
=OFFSET(INDIRECT("LesLoan!A"&LOOKUP(1,0/(LesLoan!A:A<>""),ROW(LesLoan!A:A))),0,5)