n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
336: | \[336!!!!!+1\] | 811 × 2707 × 769563826002353027081881<24> × 46436276647428965075548501888379994292732488739<47> × 79688514925139415203820550884738411905320319941420262970825002419<65> |