This is what I have in Calibre/Preferences/Metadata Plugboards
{series}{series_index:0>2s| - | - }{title}
Destination field - title.
That's the same string you posted, which I use for my kobo. It appears on my devices the way you want: series name - # - Title.
Also if you are using Calibre to create your shelves, then yes a deleted will reappear when you connect it.
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