n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 341: | \[341!!!!+1\] | 2 × 541 × 3586537 × 13968481 × 6863755536448722389<19> × [3802929171949722497522091601004835831451968356000384166152243401832269864376354703111741050726728093563013036023808953554663370943380206814839071<145>] |