n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 221: | \[221!!!+1\] | 4493 × 185358187798949711562882572621415245055284657<45> × 14144571165617038238188180743602493371159477478448883972197670041346060273242699331061090246101<95> |