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 | 2 |
| 2 | 8 |
| 3 | 13 |
| 4 | 20 |
| 5 | 25 |
| 6 | 595 |
| 7 | 1044 |
| 8 | 7932 |
| 9 | 74247 |
| 10 | 14693476 |
| 11 | 16766626 |
| 12 | 24072338 |
| 13 | 72643740 |
| 14 | 1881945888 |
| 15 | 3304284638 |
| 16 | 5163731431 |
| 17 | 5669949197 |
| 18 | 16209038688 |
| 19 | 23714508403 |
| 20 | 56796564073 |
| 21 | 181057353263 |
| 22 | 323874989643 |
| 23 | 406930606305 |
| 24 | 539293061152 |
| 25 | 1751203649485 |
| 26 | 2136659012156 |