n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 254: | \[254!!!-1\] | 199961 × 49391841074089<14> × [171848430290702583267946986907436567182286141543951900669019023124042683831283272061464755822234569037382277378435482997550361041950126796777319778431<150>] |