n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 195: | \[195!!+1\] | 22 × 2129 × 4656671806063<13> × [4288000554835735144788026009529592301491684060149774718004968962927825200261230783493398733839119735693044716872643085360228678615666748161720628048154882046266668047<166>] |