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 | 5 |
| 2 | 503 |
| 3 | 9229 |
| 4 | 53132 |
| 5 | 1077614 |
| 6 | 5673932 |
| 7 | 12335313 |
| 8 | 18002978 |
| 9 | 89720978 |
| 10 | 93036654 |
| 11 | 133588773 |
| 12 | 167057609 |
| 13 | 200368277 |
| 14 | 266488037 |
| 15 | 270168848 |
| 16 | 300988608 |
| 17 | 379786284 |
| 18 | 693620392 |
| 19 | 954150797 |
| 20 | 1585905060 |
| 21 | 1957585697 |
| 22 | 2039039592 |
| 23 | 2280501932 |