n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 294: | \[294!!!+1\] | 9521 × 116829135457<12> × 915800299028333<15> × [529928056732235116521784098366015181722813758106693250288056924773537571455604786665126903492207173046948196325398533212854275959689537626161828155048356213452413384503701<171>] |