n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
285: | \[285!!!!+1\] | 2 × 541675664223541<15> × 10090044307430900993<20> × 1392214898211683830070348363278673479412376417328238632413604746973904383361439525733577652116447225546365565701<112> |