n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 378: | \[378!!!!+1\] | 288997 × 2611426101331<13> × [1241707607043215372810650534591294136357697573925989395826959425745122477864947788337320289822849745981639831705832434630044927485527381718832754121373407416559510927552752021315154462143<187>] |