Note: The best way to set up a series of recurring invoices is to
When creating an invoice, you have the option of scheduling recurring invoices, set to send out at a later date. Click I would like to make a series of invoices just like this one:
Then choose the number of the future invoices you'd like to schedule, then the frequency.
Scheduled invoices will show as scheduled in Invoicing >> Accounts for that client or company.