n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
234: | \[234!!!+1\] | 79 × 40940533 × 97409996813<11> × 459916706328928831327957<24> × 16129300331662916195248555028383644978806669<44> × 79577388984955888833992788640445543692753957807015136258680563567<65> |