I need your help again (FDibbins???).
You last provided a formula for me that went like: =IF(A2-A1=1,"",IF(A2-A1=2,A2-1,MAX(A$1:A1)+1&"-"&A2-1)).
This formula used on my spreadsheet helped me to come up with a list of numbers that were not within column number 1 (A). I need to do this again but the formula is not working.
Do you need more information?
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