A100856 a(n) = (prime(n) - 1)! + prime(n).
3, 5, 29, 727, 3628811, 479001613, 20922789888017, 6402373705728019, 1124000727777607680023, 304888344611713860501504000029, 265252859812191058636308480000031
Offset: 1
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.