n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 216: | \[216!!!+1\] | 73 × 149 × 8273 × 194723 × 158102643189499694779395760963<30> × 497963700091950202091754087136389019081203097818594639195798754645006434527953391177567972766269<96> |