n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 212: | \[212!!!+1\] | 33 × 563 × 599 × 11351 × 332561939631227374525858511973289109587962198731<48> × 33086063713065476930199258415202689639296648426913752010008370927166612117779<77> |