Count duplicates in a range ignoring blanks

Try:

=SUMPRODUCT((MATCH($A$2:$A$51,$A$2:$A$51,0)<>ROW($A$2:$A$51)-MIN(ROW($A$2:$A$51))+1)*($A$2:$A$51<>""))

If that takes care of your original question, please select Thread Tools from the menu link above and mark this thread as SOLVED.

Also, you may not be aware that you can thank those who have helped you by clicking the small star icon located in the lower left corner of the post in which the help was given. By doing so you can add to the reputation(s) of those who helped.