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.
| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 471260364628084305 |
| 3 | 6457022669043550542502557676 |
| 4 | 105149403852520725445003265581519105 |
| 5 | 41911381174488637014293971538580334000626 |