n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
296: | \[296!!!-1\] | 1171173067699<13> × 26894718397567<14> × 240512125947539<15> × 3374639962640555398772079868009606937827820977260366313207553367784864669115104668239766299166954427904483820377730399970324112149841552919292193205735705713635577<163> |