n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 381: | \[381!!!!!+1\] | 3757411493729<13> × 59282767621631768653343<23> × 2905709933437339349682526668156616342751855149246951518716604983693963197204474179383892340781379889960308768129743204122186202431<130> |