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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 8 |
| 8 | 9 |
| 9 | 242 |
| 10 | 252 |
| 11 | 323 |
| 12 | 434 |
| 13 | 727 |
| 14 | 4774 |
| 15 | 32223 |
| 16 | 42024 |
| 17 | 43234 |
| 18 | 46864 |
| 19 | 64946 |
| 20 | 70607 |
| 21 | 4855584 |
| 22 | 4942494 |
| 23 | 6125216 |
| 24 | 6265626 |
| 25 | 149939941 |
| 26 | 188737881 |
| 27 | 241383142 |
| 28 | 389181983 |
| 29 | 470212074 |
| 30 | 27685458672 |
| 31 | 42685658624 |
| 32 | 45625352654 |
| 33 | 61039793016 |