n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
376: | \[376!!!!+1\] | 3931 × 88811 × 1431810599 × 28884353384281<14> × 70629198625006909<17> × 41832391306983613720269838011449774440866083639556716006684254827667511249713023319008813926385176894508585955892281574631406511578224448979611735946620291<155> |