n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 236: | \[236!!!-1\] | [7575435660754519579817458057161211840464297870974762281056487269055301394482777934772013979120840588013372670189500517936873216776601599999999999999999999<154>] |