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) |
|---|---|
| 15 | 36000 |
| 16 | 50736 |
| 17 | 69828 |
| 18 | 94092 |
| 19 | 124699 |
| 20 | 162604 |
| 21 | 208697 |
| 22 | 264094 |
| 23 | 329983 |
| 24 | 407624 |
| 25 | 498349 |
| 26 | 603562 |