n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 197: | \[197!!+1\] | 24 × 126499 × 24419619159367<14> × [677776303607623174872532554722556940831310428625441408892604431919482381429781056820614313989827476736660643374427419299209516822264282078295699355557947815143802917<165>] |