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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 35 |
| 4 | 179 |
| 5 | 214 |
| 6 | 393 |
| 7 | 1393 |
| 8 | 10144 |
| 9 | 11537 |
| 10 | 21681 |
| 11 | 163304 |
| 12 | 511593 |
| 13 | 674897 |
| 14 | 1186490 |
| 15 | 6607347 |
| 16 | 54045266 |
| 17 | 60652613 |
| 18 | 236003105 |
| 19 | 14692845123 |
| 20 | 44314538474 |
| 21 | 59007383597 |
| 22 | 516373607250 |
| 23 | 2640875419847 |
| 24 | 3157249027097 |