n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
182: | \[182!!-1\] | 173 × 547 × 15331 × 1342443941 × 944303162089577<15> × 182010009193272355387375657430276812464554697414284643048341317914552377049089352617400757801246540391611051480175498278236198926071087<135> |