QB Issue Resolution:

If you’d like to see your list of “to be created” invoices press CTRL+T.

As far as I know, there’s no way to determine if an existing invoice was created via recurring transactions or not.

Resolution for Issue 'Where can I view my reoccurring invoices that I’ve previously created?' available: Yes (Solved).
Source: Intuit Community forum.

Where can I view my reoccurring invoices that I’ve previously created?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Invoices
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Error Recovery for Invoices [Canada]
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