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) |
|---|---|
| 10 | 1 |
| 11 | 11 |
| 12 | 83 |
| 13 | 466 |
| 14 | 2169 |
| 15 | 8627 |
| 16 | 30329 |
| 17 | 96046 |
| 18 | 278705 |
| 19 | 749989 |
| 20 | 1890917 |
| 21 | 4502409 |
| 22 | 10193231 |
| 23 | 22062915 |
| 24 | 45872186 |
| 25 | 91979858 |
| 26 | 178478201 |
| 27 | 336129391 |
| 28 | 615995687 |
| 29 | 1100970460 |
| 30 | 1922934406 |
| 31 | 3287809354 |
| 32 | 5511659178 |
| 33 | 9071898905 |
| 34 | 14679098822 |