n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
60: | \[281\#+1\] | 62131 × 154236286097<12> × 2254306890769<13> × 1983989029829662277517988545921869<34> × 575086045827890563107604239334408940912577161981191633<54> |