# List sheet index numbers

The INDIRECT function tries to evaluate text as a valid reference. In this case, the sheet name is pulled from column B and concatenated with an exclamation point and the text A1:

=B5&"!A1" ="Sheet1"&"!A1" ="Sheet1!A1"

The INDIRECT function then coerces the text "Sheet1!A1" into a valid reference, which is passed into the SHEET function.

The SHEET function then returns the current index for each sheet as listed.

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