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 | 8 |
| 2 | 14 |
| 3 | 41 |
| 4 | 111 |
| 5 | 311 |
| 6 | 874 |
| 7 | 2454 |
| 8 | 6906 |
| 9 | 19427 |
| 10 | 54659 |
| 11 | 153785 |
| 12 | 432694 |
| 13 | 1217420 |
| 14 | 3425350 |
| 15 | 9637573 |
| 16 | 27116351 |
| 17 | 76294719 |
| 18 | 214663346 |
| 19 | 603978142 |
| 20 | 1699356882 |
| 21 | 4781321499 |
| 22 | 13452757355 |
| 23 | 37850765441 |
| 24 | 106497159950 |
| 25 | 299641101508 |
| 26 | 843072151982 |