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 | 5 |
| 2 | 7 |
| 3 | 31 |
| 4 | 11 |
| 5 | 5 |
| 6 | 3 |
| 7 | 809 |
| 8 | 661 |
| 9 | 139 |
| 10 | 73 |
| 11 | 521 |
| 12 | 701 |
| 13 | 131 |
| 14 | 487 |
| 15 | 89 |
| 16 | 211 |
| 17 | 733 |
| 18 | 3011 |
| 19 | 311 |
| 20 | 8837 |
| 21 | 2837 |
| 22 | 8831 |
| 23 | 1733 |
| 24 | 401 |
| 25 | 983 |
| 26 | 17881 |
| 27 | 1783 |
| 28 | 19553 |
| 29 | 13859 |